20888934848

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{41947}}^1$

素因数の和:42241

約数の個数: 56

約数和(自身を含む): 42960121344

約数和(自身を除く): 22071186496

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 251, 496, 502, 992, 1004, 1984, 2008, 4016, 7781, 8032, 15562, 16064, 31124, 41947, 62248, 83894, 124496, 167788, 248992, 335576, 497984, 671152, 1300357, 1342304, 2600714, 2684608, 5201428, 10402856, 10528697, 20805712, 21057394, 41611424, 42114788, 83222848, 84229576, 168459152, 326389607, 336918304, 652779214, 673836608, 1305558428, 2611116856, 5222233712, 10444467424, 20888934848]

約数ペア:

[(1, 20888934848), (2, 10444467424), (4, 5222233712), (8, 2611116856), (16, 1305558428), (31, 673836608), (32, 652779214), (62, 336918304), (64, 326389607), (124, 168459152), (248, 84229576), (251, 83222848), (496, 42114788), (502, 41611424), (992, 21057394), (1004, 20805712), (1984, 10528697), (2008, 10402856), (4016, 5201428), (7781, 2684608), (8032, 2600714), (15562, 1342304), (16064, 1300357), (31124, 671152), (41947, 497984), (62248, 335576), (83894, 248992), (124496, 167788)]