20159704

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 38772720

約数和(自身を除く): 18613016

約数列:

[1, 2, 4, 8, 83, 97, 166, 194, 313, 332, 388, 626, 664, 776, 1252, 2504, 8051, 16102, 25979, 30361, 32204, 51958, 60722, 64408, 103916, 121444, 207832, 242888, 2519963, 5039926, 10079852, 20159704]

約数ペア:

[(1, 20159704), (2, 10079852), (4, 5039926), (8, 2519963), (83, 242888), (97, 207832), (166, 121444), (194, 103916), (313, 64408), (332, 60722), (388, 51958), (626, 32204), (664, 30361), (776, 25979), (1252, 16102), (2504, 8051)]