20122410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:340

約数の個数: 128

約数和(自身を含む): 62373888

約数和(自身を除く): 42251478

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 31, 33, 35, 42, 55, 62, 66, 70, 77, 93, 105, 110, 154, 155, 165, 186, 210, 217, 231, 281, 310, 330, 341, 385, 434, 462, 465, 562, 651, 682, 770, 843, 930, 1023, 1085, 1155, 1302, 1405, 1686, 1705, 1967, 2046, 2170, 2310, 2387, 2810, 3091, 3255, 3410, 3934, 4215, 4774, 5115, 5901, 6182, 6510, 7161, 8430, 8711, 9273, 9835, 10230, 11802, 11935, 14322, 15455, 17422, 18546, 19670, 21637, 23870, 26133, 29505, 30910, 35805, 43274, 43555, 46365, 52266, 59010, 60977, 64911, 71610, 87110, 92730, 95821, 108185, 121954, 129822, 130665, 182931, 191642, 216370, 261330, 287463, 304885, 324555, 365862, 479105, 574926, 609770, 649110, 670747, 914655, 958210, 1341494, 1437315, 1829310, 2012241, 2874630, 3353735, 4024482, 6707470, 10061205, 20122410]

約数ペア:

[(1, 20122410), (2, 10061205), (3, 6707470), (5, 4024482), (6, 3353735), (7, 2874630), (10, 2012241), (11, 1829310), (14, 1437315), (15, 1341494), (21, 958210), (22, 914655), (30, 670747), (31, 649110), (33, 609770), (35, 574926), (42, 479105), (55, 365862), (62, 324555), (66, 304885), (70, 287463), (77, 261330), (93, 216370), (105, 191642), (110, 182931), (154, 130665), (155, 129822), (165, 121954), (186, 108185), (210, 95821), (217, 92730), (231, 87110), (281, 71610), (310, 64911), (330, 60977), (341, 59010), (385, 52266), (434, 46365), (462, 43555), (465, 43274), (562, 35805), (651, 30910), (682, 29505), (770, 26133), (843, 23870), (930, 21637), (1023, 19670), (1085, 18546), (1155, 17422), (1302, 15455), (1405, 14322), (1686, 11935), (1705, 11802), (1967, 10230), (2046, 9835), (2170, 9273), (2310, 8711), (2387, 8430), (2810, 7161), (3091, 6510), (3255, 6182), (3410, 5901), (3934, 5115), (4215, 4774)]