20131555856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{387503}}^1$

素因数の和:387719

約数の個数: 40

約数和(自身を含む): 41515628544

約数和(自身を除く): 21384072688

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 191, 272, 382, 764, 1528, 3056, 3247, 6494, 12988, 25976, 51952, 387503, 775006, 1550012, 3100024, 6200048, 6587551, 13175102, 26350204, 52700408, 74013073, 105400816, 148026146, 296052292, 592104584, 1184209168, 1258222241, 2516444482, 5032888964, 10065777928, 20131555856]

約数ペア:

[(1, 20131555856), (2, 10065777928), (4, 5032888964), (8, 2516444482), (16, 1258222241), (17, 1184209168), (34, 592104584), (68, 296052292), (136, 148026146), (191, 105400816), (272, 74013073), (382, 52700408), (764, 26350204), (1528, 13175102), (3056, 6587551), (3247, 6200048), (6494, 3100024), (12988, 1550012), (25976, 775006), (51952, 387503)]