20778888542

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1\times {\mathrm{4099}}^1$

素因数の和:5432

約数の個数: 32

約数和(自身を含む): 32731776000

約数和(自身を除く): 11952887458

約数列:

[1, 2, 29, 58, 71, 142, 1231, 2059, 2462, 4099, 4118, 8198, 35699, 71398, 87401, 118871, 174802, 237742, 291029, 582058, 2534629, 5045869, 5069258, 8439841, 10091738, 16879682, 146330201, 292660402, 358256699, 716513398, 10389444271, 20778888542]

約数ペア:

[(1, 20778888542), (2, 10389444271), (29, 716513398), (58, 358256699), (71, 292660402), (142, 146330201), (1231, 16879682), (2059, 10091738), (2462, 8439841), (4099, 5069258), (4118, 5045869), (8198, 2534629), (35699, 582058), (71398, 291029), (87401, 237742), (118871, 174802)]