20177761648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1097}}^1\times {\mathrm{2549}}^1$

素因数の和:3706

約数の個数: 80

約数和(自身を含む): 43745637600

約数和(自身を除く): 23567875952

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1097, 1804, 2194, 2549, 3608, 4388, 5098, 7216, 8776, 10196, 12067, 17552, 20392, 24134, 28039, 40784, 44977, 48268, 56078, 89954, 96536, 104509, 112156, 179908, 193072, 209018, 224312, 359816, 418036, 448624, 494747, 719632, 836072, 989494, 1149599, 1672144, 1978988, 2299198, 2796253, 3957976, 4598396, 5592506, 7915952, 9196792, 11185012, 18393584, 22370024, 30758783, 44740048, 61517566, 114646373, 123035132, 229292746, 246070264, 458585492, 492140528, 917170984, 1261110103, 1834341968, 2522220206, 5044440412, 10088880824, 20177761648]

約数ペア:

[(1, 20177761648), (2, 10088880824), (4, 5044440412), (8, 2522220206), (11, 1834341968), (16, 1261110103), (22, 917170984), (41, 492140528), (44, 458585492), (82, 246070264), (88, 229292746), (164, 123035132), (176, 114646373), (328, 61517566), (451, 44740048), (656, 30758783), (902, 22370024), (1097, 18393584), (1804, 11185012), (2194, 9196792), (2549, 7915952), (3608, 5592506), (4388, 4598396), (5098, 3957976), (7216, 2796253), (8776, 2299198), (10196, 1978988), (12067, 1672144), (17552, 1149599), (20392, 989494), (24134, 836072), (28039, 719632), (40784, 494747), (44977, 448624), (48268, 418036), (56078, 359816), (89954, 224312), (96536, 209018), (104509, 193072), (112156, 179908)]