20128164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2887}}^1$

素因数の和:2984

約数の個数: 48

約数和(自身を含む): 54340608

約数和(自身を除く): 34212444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 83, 84, 166, 249, 332, 498, 581, 996, 1162, 1743, 2324, 2887, 3486, 5774, 6972, 8661, 11548, 17322, 20209, 34644, 40418, 60627, 80836, 121254, 239621, 242508, 479242, 718863, 958484, 1437726, 1677347, 2875452, 3354694, 5032041, 6709388, 10064082, 20128164]

約数ペア:

[(1, 20128164), (2, 10064082), (3, 6709388), (4, 5032041), (6, 3354694), (7, 2875452), (12, 1677347), (14, 1437726), (21, 958484), (28, 718863), (42, 479242), (83, 242508), (84, 239621), (166, 121254), (249, 80836), (332, 60627), (498, 40418), (581, 34644), (996, 20209), (1162, 17322), (1743, 11548), (2324, 8661), (2887, 6972), (3486, 5774)]