20176903136

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{723913}}^1$

素因数の和:724003

約数の個数: 48

約数和(自身を含む): 43417466064

約数和(自身を除く): 23240562928

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 67, 104, 134, 208, 268, 416, 536, 871, 1072, 1742, 2144, 3484, 6968, 13936, 27872, 723913, 1447826, 2895652, 5791304, 9410869, 11582608, 18821738, 23165216, 37643476, 48502171, 75286952, 97004342, 150573904, 194008684, 301147808, 388017368, 630528223, 776034736, 1261056446, 1552069472, 2522112892, 5044225784, 10088451568, 20176903136]

約数ペア:

[(1, 20176903136), (2, 10088451568), (4, 5044225784), (8, 2522112892), (13, 1552069472), (16, 1261056446), (26, 776034736), (32, 630528223), (52, 388017368), (67, 301147808), (104, 194008684), (134, 150573904), (208, 97004342), (268, 75286952), (416, 48502171), (536, 37643476), (871, 23165216), (1072, 18821738), (1742, 11582608), (2144, 9410869), (3484, 5791304), (6968, 2895652), (13936, 1447826), (27872, 723913)]