20187524384

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{81077}}^1$

素因数の和:81369

約数の個数: 48

約数和(自身を含む): 41190218496

約数和(自身を除く): 21002694112

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 251, 496, 502, 992, 1004, 2008, 4016, 7781, 8032, 15562, 31124, 62248, 81077, 124496, 162154, 248992, 324308, 648616, 1297232, 2513387, 2594464, 5026774, 10053548, 20107096, 20350327, 40214192, 40700654, 80428384, 81401308, 162802616, 325605232, 630860137, 651210464, 1261720274, 2523440548, 5046881096, 10093762192, 20187524384]

約数ペア:

[(1, 20187524384), (2, 10093762192), (4, 5046881096), (8, 2523440548), (16, 1261720274), (31, 651210464), (32, 630860137), (62, 325605232), (124, 162802616), (248, 81401308), (251, 80428384), (496, 40700654), (502, 40214192), (992, 20350327), (1004, 20107096), (2008, 10053548), (4016, 5026774), (7781, 2594464), (8032, 2513387), (15562, 1297232), (31124, 648616), (62248, 324308), (81077, 248992), (124496, 162154)]