20105424

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:265

約数の個数: 120

約数和(自身を含む): 61281792

約数和(自身を除く): 41176368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 43, 48, 51, 68, 72, 86, 102, 129, 136, 144, 153, 172, 191, 204, 258, 272, 306, 344, 382, 387, 408, 516, 573, 612, 688, 731, 764, 774, 816, 1032, 1146, 1224, 1462, 1528, 1548, 1719, 2064, 2193, 2292, 2448, 2924, 3056, 3096, 3247, 3438, 4386, 4584, 5848, 6192, 6494, 6579, 6876, 8213, 8772, 9168, 9741, 11696, 12988, 13158, 13752, 16426, 17544, 19482, 24639, 25976, 26316, 27504, 29223, 32852, 35088, 38964, 49278, 51952, 52632, 58446, 65704, 73917, 77928, 98556, 105264, 116892, 131408, 139621, 147834, 155856, 197112, 233784, 279242, 295668, 394224, 418863, 467568, 558484, 591336, 837726, 1116968, 1182672, 1256589, 1675452, 2233936, 2513178, 3350904, 5026356, 6701808, 10052712, 20105424]

約数ペア:

[(1, 20105424), (2, 10052712), (3, 6701808), (4, 5026356), (6, 3350904), (8, 2513178), (9, 2233936), (12, 1675452), (16, 1256589), (17, 1182672), (18, 1116968), (24, 837726), (34, 591336), (36, 558484), (43, 467568), (48, 418863), (51, 394224), (68, 295668), (72, 279242), (86, 233784), (102, 197112), (129, 155856), (136, 147834), (144, 139621), (153, 131408), (172, 116892), (191, 105264), (204, 98556), (258, 77928), (272, 73917), (306, 65704), (344, 58446), (382, 52632), (387, 51952), (408, 49278), (516, 38964), (573, 35088), (612, 32852), (688, 29223), (731, 27504), (764, 26316), (774, 25976), (816, 24639), (1032, 19482), (1146, 17544), (1224, 16426), (1462, 13752), (1528, 13158), (1548, 12988), (1719, 11696), (2064, 9741), (2193, 9168), (2292, 8772), (2448, 8213), (2924, 6876), (3056, 6579), (3096, 6494), (3247, 6192), (3438, 5848), (4386, 4584)]