20177031475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{7603}}^1$

素因数の和:7820

約数の個数: 48

約数和(自身を含む): 27230836480

約数和(自身を除く): 7053805005

約数列:

[1, 5, 19, 25, 37, 95, 151, 185, 475, 703, 755, 925, 2869, 3515, 3775, 5587, 7603, 14345, 17575, 27935, 38015, 71725, 106153, 139675, 144457, 190075, 281311, 530765, 722285, 1148053, 1406555, 2653825, 3611425, 5344909, 5740265, 7032775, 21813007, 26724545, 28701325, 42477961, 109065035, 133622725, 212389805, 545325175, 807081259, 1061949025, 4035406295, 20177031475]

約数ペア:

[(1, 20177031475), (5, 4035406295), (19, 1061949025), (25, 807081259), (37, 545325175), (95, 212389805), (151, 133622725), (185, 109065035), (475, 42477961), (703, 28701325), (755, 26724545), (925, 21813007), (2869, 7032775), (3515, 5740265), (3775, 5344909), (5587, 3611425), (7603, 2653825), (14345, 1406555), (17575, 1148053), (27935, 722285), (38015, 530765), (71725, 281311), (106153, 190075), (139675, 144457)]