20055904

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 23380832

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 227, 251, 352, 454, 502, 908, 1004, 1816, 2008, 2497, 2761, 3632, 4016, 4994, 5522, 7264, 8032, 9988, 11044, 19976, 22088, 39952, 44176, 56977, 79904, 88352, 113954, 227908, 455816, 626747, 911632, 1253494, 1823264, 2506988, 5013976, 10027952, 20055904]

約数ペア:

[(1, 20055904), (2, 10027952), (4, 5013976), (8, 2506988), (11, 1823264), (16, 1253494), (22, 911632), (32, 626747), (44, 455816), (88, 227908), (176, 113954), (227, 88352), (251, 79904), (352, 56977), (454, 44176), (502, 39952), (908, 22088), (1004, 19976), (1816, 11044), (2008, 9988), (2497, 8032), (2761, 7264), (3632, 5522), (4016, 4994)]