20017361540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:391

約数の個数: 192

約数和(自身を含む): 48356130816

約数和(自身を除く): 28338769276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 127, 155, 191, 220, 242, 254, 310, 341, 382, 484, 508, 605, 620, 635, 682, 764, 955, 1210, 1270, 1331, 1364, 1397, 1705, 1910, 2101, 2420, 2540, 2662, 2794, 3410, 3751, 3820, 3937, 4202, 5324, 5588, 5921, 6655, 6820, 6985, 7502, 7874, 8404, 10505, 11842, 13310, 13970, 15004, 15367, 15748, 18755, 19685, 21010, 23111, 23684, 24257, 26620, 27940, 29605, 30734, 37510, 39370, 41261, 42020, 43307, 46222, 48514, 59210, 61468, 65131, 75020, 76835, 78740, 82522, 86614, 92444, 97028, 115555, 118420, 121285, 130262, 153670, 165044, 169037, 173228, 206305, 216535, 231110, 242570, 254221, 260524, 266827, 307340, 325655, 338074, 412610, 433070, 462220, 476377, 485140, 508442, 533654, 651310, 676148, 716441, 751967, 825220, 845185, 866140, 952754, 1016884, 1067308, 1271105, 1302620, 1334135, 1432882, 1503934, 1690370, 1905508, 2381885, 2542210, 2668270, 2865764, 2935097, 3007868, 3380740, 3582205, 3759835, 4763770, 5084420, 5240147, 5336540, 5870194, 7164410, 7519670, 7880851, 8271637, 9527540, 10480294, 11740388, 14328820, 14675485, 15039340, 15761702, 16543274, 20960588, 26200735, 29350970, 31523404, 32286067, 33086548, 39404255, 41358185, 52401470, 58701940, 64572134, 78808510, 82716370, 90988007, 104802940, 129144268, 157617020, 161430335, 165432740, 181976014, 322860670, 363952028, 454940035, 645721340, 909880070, 1000868077, 1819760140, 2001736154, 4003472308, 5004340385, 10008680770, 20017361540]

約数ペア:

[(1, 20017361540), (2, 10008680770), (4, 5004340385), (5, 4003472308), (10, 2001736154), (11, 1819760140), (20, 1000868077), (22, 909880070), (31, 645721340), (44, 454940035), (55, 363952028), (62, 322860670), (110, 181976014), (121, 165432740), (124, 161430335), (127, 157617020), (155, 129144268), (191, 104802940), (220, 90988007), (242, 82716370), (254, 78808510), (310, 64572134), (341, 58701940), (382, 52401470), (484, 41358185), (508, 39404255), (605, 33086548), (620, 32286067), (635, 31523404), (682, 29350970), (764, 26200735), (955, 20960588), (1210, 16543274), (1270, 15761702), (1331, 15039340), (1364, 14675485), (1397, 14328820), (1705, 11740388), (1910, 10480294), (2101, 9527540), (2420, 8271637), (2540, 7880851), (2662, 7519670), (2794, 7164410), (3410, 5870194), (3751, 5336540), (3820, 5240147), (3937, 5084420), (4202, 4763770), (5324, 3759835), (5588, 3582205), (5921, 3380740), (6655, 3007868), (6820, 2935097), (6985, 2865764), (7502, 2668270), (7874, 2542210), (8404, 2381885), (10505, 1905508), (11842, 1690370), (13310, 1503934), (13970, 1432882), (15004, 1334135), (15367, 1302620), (15748, 1271105), (18755, 1067308), (19685, 1016884), (21010, 952754), (23111, 866140), (23684, 845185), (24257, 825220), (26620, 751967), (27940, 716441), (29605, 676148), (30734, 651310), (37510, 533654), (39370, 508442), (41261, 485140), (42020, 476377), (43307, 462220), (46222, 433070), (48514, 412610), (59210, 338074), (61468, 325655), (65131, 307340), (75020, 266827), (76835, 260524), (78740, 254221), (82522, 242570), (86614, 231110), (92444, 216535), (97028, 206305), (115555, 173228), (118420, 169037), (121285, 165044), (130262, 153670)]