20739450352

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1\times {\mathrm{877}}^1$

素因数の和:1370

約数の個数: 80

約数和(自身を含む): 41623943040

約数和(自身を除く): 20884492688

約数列:

[1, 2, 4, 8, 16, 53, 79, 106, 158, 212, 316, 353, 424, 632, 706, 848, 877, 1264, 1412, 1754, 2824, 3508, 4187, 5648, 7016, 8374, 14032, 16748, 18709, 27887, 33496, 37418, 46481, 55774, 66992, 69283, 74836, 92962, 111548, 138566, 149672, 185924, 223096, 277132, 299344, 309581, 371848, 446192, 554264, 619162, 743696, 1108528, 1238324, 1478011, 2476648, 2956022, 3671999, 4953296, 5912044, 7343998, 11824088, 14687996, 16407793, 23648176, 24456899, 29375992, 32815586, 48913798, 58751984, 65631172, 97827596, 131262344, 195655192, 262524688, 391310384, 1296215647, 2592431294, 5184862588, 10369725176, 20739450352]

約数ペア:

[(1, 20739450352), (2, 10369725176), (4, 5184862588), (8, 2592431294), (16, 1296215647), (53, 391310384), (79, 262524688), (106, 195655192), (158, 131262344), (212, 97827596), (316, 65631172), (353, 58751984), (424, 48913798), (632, 32815586), (706, 29375992), (848, 24456899), (877, 23648176), (1264, 16407793), (1412, 14687996), (1754, 11824088), (2824, 7343998), (3508, 5912044), (4187, 4953296), (5648, 3671999), (7016, 2956022), (8374, 2476648), (14032, 1478011), (16748, 1238324), (18709, 1108528), (27887, 743696), (33496, 619162), (37418, 554264), (46481, 446192), (55774, 371848), (66992, 309581), (69283, 299344), (74836, 277132), (92962, 223096), (111548, 185924), (138566, 149672)]