20163211048

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1\times {\mathrm{991}}^1$

素因数の和:1498

約数の個数: 64

約数和(自身を含む): 38838942720

約数和(自身を除く): 18675731672

約数列:

[1, 2, 4, 8, 71, 113, 142, 226, 284, 317, 452, 568, 634, 904, 991, 1268, 1982, 2536, 3964, 7928, 8023, 16046, 22507, 32092, 35821, 45014, 64184, 70361, 71642, 90028, 111983, 140722, 143284, 180056, 223966, 281444, 286568, 314147, 447932, 562888, 628294, 895864, 1256588, 2513176, 2543291, 5086582, 7950793, 10173164, 15901586, 20346328, 22304437, 31803172, 35498611, 44608874, 63606344, 70997222, 89217748, 141994444, 178435496, 283988888, 2520401381, 5040802762, 10081605524, 20163211048]

約数ペア:

[(1, 20163211048), (2, 10081605524), (4, 5040802762), (8, 2520401381), (71, 283988888), (113, 178435496), (142, 141994444), (226, 89217748), (284, 70997222), (317, 63606344), (452, 44608874), (568, 35498611), (634, 31803172), (904, 22304437), (991, 20346328), (1268, 15901586), (1982, 10173164), (2536, 7950793), (3964, 5086582), (7928, 2543291), (8023, 2513176), (16046, 1256588), (22507, 895864), (32092, 628294), (35821, 562888), (45014, 447932), (64184, 314147), (70361, 286568), (71642, 281444), (90028, 223966), (111983, 180056), (140722, 143284)]