20123983448

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{521}}^1\times {\mathrm{79151}}^1$

素因数の和:79739

約数の個数: 32

約数和(自身を含む): 38425129920

約数和(自身を除く): 18301146472

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 521, 1042, 2084, 4168, 31781, 63562, 79151, 127124, 158302, 254248, 316604, 633208, 4828211, 9656422, 19312844, 38625688, 41237671, 82475342, 164950684, 329901368, 2515497931, 5030995862, 10061991724, 20123983448]

約数ペア:

[(1, 20123983448), (2, 10061991724), (4, 5030995862), (8, 2515497931), (61, 329901368), (122, 164950684), (244, 82475342), (488, 41237671), (521, 38625688), (1042, 19312844), (2084, 9656422), (4168, 4828211), (31781, 633208), (63562, 316604), (79151, 254248), (127124, 158302)]