20263740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48247}}^1$

素因数の和:48266

約数の個数: 48

約数和(自身を含む): 64845312

約数和(自身を除く): 44581572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48247, 96494, 144741, 192988, 241235, 289482, 337729, 482470, 578964, 675458, 723705, 964940, 1013187, 1350916, 1447410, 1688645, 2026374, 2894820, 3377290, 4052748, 5065935, 6754580, 10131870, 20263740]

約数ペア:

[(1, 20263740), (2, 10131870), (3, 6754580), (4, 5065935), (5, 4052748), (6, 3377290), (7, 2894820), (10, 2026374), (12, 1688645), (14, 1447410), (15, 1350916), (20, 1013187), (21, 964940), (28, 723705), (30, 675458), (35, 578964), (42, 482470), (60, 337729), (70, 289482), (84, 241235), (105, 192988), (140, 144741), (210, 96494), (420, 48247)]