20779728

素因数分解:

$2^4\times 3^1\times {\mathrm{97}}^1\times {\mathrm{4463}}^1$

素因数の和:4571

約数の個数: 40

約数和(自身を含む): 54246528

約数和(自身を除く): 33466800

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 97, 194, 291, 388, 582, 776, 1164, 1552, 2328, 4463, 4656, 8926, 13389, 17852, 26778, 35704, 53556, 71408, 107112, 214224, 432911, 865822, 1298733, 1731644, 2597466, 3463288, 5194932, 6926576, 10389864, 20779728]

約数ペア:

[(1, 20779728), (2, 10389864), (3, 6926576), (4, 5194932), (6, 3463288), (8, 2597466), (12, 1731644), (16, 1298733), (24, 865822), (48, 432911), (97, 214224), (194, 107112), (291, 71408), (388, 53556), (582, 35704), (776, 26778), (1164, 17852), (1552, 13389), (2328, 8926), (4463, 4656)]