20294560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1$

素因数の和:926

約数の個数: 96

約数和(自身を含む): 56391552

約数和(自身を除く): 36096992

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 416, 440, 520, 572, 715, 880, 887, 1040, 1144, 1430, 1760, 1774, 2080, 2288, 2860, 3548, 4435, 4576, 5720, 7096, 8870, 9757, 11440, 11531, 14192, 17740, 19514, 22880, 23062, 28384, 35480, 39028, 46124, 48785, 57655, 70960, 78056, 92248, 97570, 115310, 126841, 141920, 156112, 184496, 195140, 230620, 253682, 312224, 368992, 390280, 461240, 507364, 634205, 780560, 922480, 1014728, 1268410, 1561120, 1844960, 2029456, 2536820, 4058912, 5073640, 10147280, 20294560]

約数ペア:

[(1, 20294560), (2, 10147280), (4, 5073640), (5, 4058912), (8, 2536820), (10, 2029456), (11, 1844960), (13, 1561120), (16, 1268410), (20, 1014728), (22, 922480), (26, 780560), (32, 634205), (40, 507364), (44, 461240), (52, 390280), (55, 368992), (65, 312224), (80, 253682), (88, 230620), (104, 195140), (110, 184496), (130, 156112), (143, 141920), (160, 126841), (176, 115310), (208, 97570), (220, 92248), (260, 78056), (286, 70960), (352, 57655), (416, 48785), (440, 46124), (520, 39028), (572, 35480), (715, 28384), (880, 23062), (887, 22880), (1040, 19514), (1144, 17740), (1430, 14192), (1760, 11531), (1774, 11440), (2080, 9757), (2288, 8870), (2860, 7096), (3548, 5720), (4435, 4576)]