20888974672

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{827}}^1\times {\mathrm{92863}}^1$

素因数の和:93715

約数の個数: 40

約数和(自身を含む): 42905396736

約数和(自身を除く): 22016422064

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 827, 1654, 3308, 6616, 13232, 14059, 28118, 56236, 92863, 112472, 185726, 224944, 371452, 742904, 1485808, 1578671, 3157342, 6314684, 12629368, 25258736, 76797701, 153595402, 307190804, 614381608, 1228763216, 1305560917, 2611121834, 5222243668, 10444487336, 20888974672]

約数ペア:

[(1, 20888974672), (2, 10444487336), (4, 5222243668), (8, 2611121834), (16, 1305560917), (17, 1228763216), (34, 614381608), (68, 307190804), (136, 153595402), (272, 76797701), (827, 25258736), (1654, 12629368), (3308, 6314684), (6616, 3157342), (13232, 1578671), (14059, 1485808), (28118, 742904), (56236, 371452), (92863, 224944), (112472, 185726)]