20261640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24121}}^1$

素因数の和:24142

約数の個数: 64

約数和(自身を含む): 69471360

約数和(自身を除く): 49209720

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, 24121, 48242, 72363, 96484, 120605, 144726, 168847, 192968, 241210, 289452, 337694, 361815, 482420, 506541, 578904, 675388, 723630, 844235, 964840, 1013082, 1350776, 1447260, 1688470, 2026164, 2532705, 2894520, 3376940, 4052328, 5065410, 6753880, 10130820, 20261640]

約数ペア:

[(1, 20261640), (2, 10130820), (3, 6753880), (4, 5065410), (5, 4052328), (6, 3376940), (7, 2894520), (8, 2532705), (10, 2026164), (12, 1688470), (14, 1447260), (15, 1350776), (20, 1013082), (21, 964840), (24, 844235), (28, 723630), (30, 675388), (35, 578904), (40, 506541), (42, 482420), (56, 361815), (60, 337694), (70, 289452), (84, 241210), (105, 192968), (120, 168847), (140, 144726), (168, 120605), (210, 96484), (280, 72363), (420, 48242), (840, 24121)]