20742384

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{2557}}^1$

素因数の和:2594

約数の個数: 60

約数和(自身を含む): 58046136

約数和(自身を除く): 37303752

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 208, 312, 338, 507, 624, 676, 1014, 1352, 2028, 2557, 2704, 4056, 5114, 7671, 8112, 10228, 15342, 20456, 30684, 33241, 40912, 61368, 66482, 99723, 122736, 132964, 199446, 265928, 398892, 432133, 531856, 797784, 864266, 1296399, 1595568, 1728532, 2592798, 3457064, 5185596, 6914128, 10371192, 20742384]

約数ペア:

[(1, 20742384), (2, 10371192), (3, 6914128), (4, 5185596), (6, 3457064), (8, 2592798), (12, 1728532), (13, 1595568), (16, 1296399), (24, 864266), (26, 797784), (39, 531856), (48, 432133), (52, 398892), (78, 265928), (104, 199446), (156, 132964), (169, 122736), (208, 99723), (312, 66482), (338, 61368), (507, 40912), (624, 33241), (676, 30684), (1014, 20456), (1352, 15342), (2028, 10228), (2557, 8112), (2704, 7671), (4056, 5114)]