20254920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24113}}^1$

素因数の和:24134

約数の個数: 64

約数和(自身を含む): 69448320

約数和(自身を除く): 49193400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24113, 48226, 72339, 96452, 120565, 144678, 168791, 192904, 241130, 289356, 337582, 361695, 482260, 506373, 578712, 675164, 723390, 843955, 964520, 1012746, 1350328, 1446780, 1687910, 2025492, 2531865, 2893560, 3375820, 4050984, 5063730, 6751640, 10127460, 20254920]

約数ペア:

[(1, 20254920), (2, 10127460), (3, 6751640), (4, 5063730), (5, 4050984), (6, 3375820), (7, 2893560), (8, 2531865), (10, 2025492), (12, 1687910), (14, 1446780), (15, 1350328), (20, 1012746), (21, 964520), (24, 843955), (28, 723390), (30, 675164), (35, 578712), (40, 506373), (42, 482260), (56, 361695), (60, 337582), (70, 289356), (84, 241130), (105, 192904), (120, 168791), (140, 144678), (168, 120565), (210, 96452), (280, 72339), (420, 48226), (840, 24113)]