20091031896

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{6841}}^1\times {\mathrm{9413}}^1$

素因数の和:16276

約数の個数: 64

約数和(自身を含む): 54104893920

約数和(自身を除く): 34013862024

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 6841, 9413, 13682, 18826, 20523, 27364, 28239, 37652, 41046, 54728, 56478, 75304, 82092, 88933, 112956, 122369, 164184, 177866, 225912, 244738, 266799, 355732, 367107, 489476, 533598, 711464, 734214, 978952, 1067196, 1468428, 2134392, 2936856, 64394333, 128788666, 193182999, 257577332, 386365998, 515154664, 772731996, 837126329, 1545463992, 1674252658, 2511378987, 3348505316, 5022757974, 6697010632, 10045515948, 20091031896]

約数ペア:

[(1, 20091031896), (2, 10045515948), (3, 6697010632), (4, 5022757974), (6, 3348505316), (8, 2511378987), (12, 1674252658), (13, 1545463992), (24, 837126329), (26, 772731996), (39, 515154664), (52, 386365998), (78, 257577332), (104, 193182999), (156, 128788666), (312, 64394333), (6841, 2936856), (9413, 2134392), (13682, 1468428), (18826, 1067196), (20523, 978952), (27364, 734214), (28239, 711464), (37652, 533598), (41046, 489476), (54728, 367107), (56478, 355732), (75304, 266799), (82092, 244738), (88933, 225912), (112956, 177866), (122369, 164184)]