20101567428

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{167329}}^1$

素因数の和:167457

約数の個数: 72

約数和(自身を含む): 52624615680

約数和(自身を除く): 32523048252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 71, 94, 141, 142, 188, 213, 282, 284, 423, 426, 564, 639, 846, 852, 1278, 1692, 2556, 3337, 6674, 10011, 13348, 20022, 30033, 40044, 60066, 120132, 167329, 334658, 501987, 669316, 1003974, 1505961, 2007948, 3011922, 6023844, 7864463, 11880359, 15728926, 23593389, 23760718, 31457852, 35641077, 47186778, 47521436, 70780167, 71282154, 94373556, 106923231, 141560334, 142564308, 213846462, 283120668, 427692924, 558376873, 1116753746, 1675130619, 2233507492, 3350261238, 5025391857, 6700522476, 10050783714, 20101567428]

約数ペア:

[(1, 20101567428), (2, 10050783714), (3, 6700522476), (4, 5025391857), (6, 3350261238), (9, 2233507492), (12, 1675130619), (18, 1116753746), (36, 558376873), (47, 427692924), (71, 283120668), (94, 213846462), (141, 142564308), (142, 141560334), (188, 106923231), (213, 94373556), (282, 71282154), (284, 70780167), (423, 47521436), (426, 47186778), (564, 35641077), (639, 31457852), (846, 23760718), (852, 23593389), (1278, 15728926), (1692, 11880359), (2556, 7864463), (3337, 6023844), (6674, 3011922), (10011, 2007948), (13348, 1505961), (20022, 1003974), (30033, 669316), (40044, 501987), (60066, 334658), (120132, 167329)]