20163578828

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1\times {\mathrm{1759}}^1$

素因数の和:2238

約数の個数: 48

約数和(自身を含む): 36162846720

約数和(自身を除く): 15999267892

約数列:

[1, 2, 4, 71, 142, 181, 223, 284, 362, 446, 724, 892, 1759, 3518, 7036, 12851, 15833, 25702, 31666, 40363, 51404, 63332, 80726, 124889, 161452, 249778, 318379, 392257, 499556, 636758, 784514, 1273516, 1569028, 2865773, 5731546, 11463092, 22604909, 27850247, 45209818, 55700494, 70998517, 90419636, 111400988, 141997034, 283994068, 5040894707, 10081789414, 20163578828]

約数ペア:

[(1, 20163578828), (2, 10081789414), (4, 5040894707), (71, 283994068), (142, 141997034), (181, 111400988), (223, 90419636), (284, 70998517), (362, 55700494), (446, 45209818), (724, 27850247), (892, 22604909), (1759, 11463092), (3518, 5731546), (7036, 2865773), (12851, 1569028), (15833, 1273516), (25702, 784514), (31666, 636758), (40363, 499556), (51404, 392257), (63332, 318379), (80726, 249778), (124889, 161452)]