20451877970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{30313}}^1$

素因数の和:30459

約数の個数: 64

約数和(自身を含む): 40072682880

約数和(自身を除く): 19620804910

約数列:

[1, 2, 5, 10, 19, 38, 53, 67, 95, 106, 134, 190, 265, 335, 530, 670, 1007, 1273, 2014, 2546, 3551, 5035, 6365, 7102, 10070, 12730, 17755, 30313, 35510, 60626, 67469, 134938, 151565, 303130, 337345, 575947, 674690, 1151894, 1606589, 2030971, 2879735, 3213178, 4061942, 5759470, 8032945, 10154855, 16065890, 20309710, 30525191, 38588449, 61050382, 77176898, 107641463, 152625955, 192942245, 215282926, 305251910, 385884490, 538207315, 1076414630, 2045187797, 4090375594, 10225938985, 20451877970]

約数ペア:

[(1, 20451877970), (2, 10225938985), (5, 4090375594), (10, 2045187797), (19, 1076414630), (38, 538207315), (53, 385884490), (67, 305251910), (95, 215282926), (106, 192942245), (134, 152625955), (190, 107641463), (265, 77176898), (335, 61050382), (530, 38588449), (670, 30525191), (1007, 20309710), (1273, 16065890), (2014, 10154855), (2546, 8032945), (3551, 5759470), (5035, 4061942), (6365, 3213178), (7102, 2879735), (10070, 2030971), (12730, 1606589), (17755, 1151894), (30313, 674690), (35510, 575947), (60626, 337345), (67469, 303130), (134938, 151565)]