20683755488

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{113657}}^1$

素因数の和:113736

約数の個数: 72

約数和(自身を含む): 45712338336

約数和(自身を除く): 25028582848

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 88, 94, 121, 176, 188, 242, 352, 376, 484, 517, 752, 968, 1034, 1504, 1936, 2068, 3872, 4136, 5687, 8272, 11374, 16544, 22748, 45496, 90992, 113657, 181984, 227314, 454628, 909256, 1250227, 1818512, 2500454, 3637024, 5000908, 5341879, 10001816, 10683758, 13752497, 20003632, 21367516, 27504994, 40007264, 42735032, 55009988, 58760669, 85470064, 110019976, 117521338, 170940128, 220039952, 235042676, 440079904, 470085352, 646367359, 940170704, 1292734718, 1880341408, 2585469436, 5170938872, 10341877744, 20683755488]

約数ペア:

[(1, 20683755488), (2, 10341877744), (4, 5170938872), (8, 2585469436), (11, 1880341408), (16, 1292734718), (22, 940170704), (32, 646367359), (44, 470085352), (47, 440079904), (88, 235042676), (94, 220039952), (121, 170940128), (176, 117521338), (188, 110019976), (242, 85470064), (352, 58760669), (376, 55009988), (484, 42735032), (517, 40007264), (752, 27504994), (968, 21367516), (1034, 20003632), (1504, 13752497), (1936, 10683758), (2068, 10001816), (3872, 5341879), (4136, 5000908), (5687, 3637024), (8272, 2500454), (11374, 1818512), (16544, 1250227), (22748, 909256), (45496, 454628), (90992, 227314), (113657, 181984)]