20373720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 63268560

約数和(自身を除く): 42894840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 101, 120, 123, 164, 202, 205, 246, 303, 328, 404, 410, 492, 505, 606, 615, 808, 820, 984, 1010, 1212, 1230, 1515, 1640, 1681, 2020, 2424, 2460, 3030, 3362, 4040, 4141, 4920, 5043, 6060, 6724, 8282, 8405, 10086, 12120, 12423, 13448, 16564, 16810, 20172, 20705, 24846, 25215, 33128, 33620, 40344, 41410, 49692, 50430, 62115, 67240, 82820, 99384, 100860, 124230, 165640, 169781, 201720, 248460, 339562, 496920, 509343, 679124, 848905, 1018686, 1358248, 1697810, 2037372, 2546715, 3395620, 4074744, 5093430, 6791240, 10186860, 20373720]

約数ペア:

[(1, 20373720), (2, 10186860), (3, 6791240), (4, 5093430), (5, 4074744), (6, 3395620), (8, 2546715), (10, 2037372), (12, 1697810), (15, 1358248), (20, 1018686), (24, 848905), (30, 679124), (40, 509343), (41, 496920), (60, 339562), (82, 248460), (101, 201720), (120, 169781), (123, 165640), (164, 124230), (202, 100860), (205, 99384), (246, 82820), (303, 67240), (328, 62115), (404, 50430), (410, 49692), (492, 41410), (505, 40344), (606, 33620), (615, 33128), (808, 25215), (820, 24846), (984, 20705), (1010, 20172), (1212, 16810), (1230, 16564), (1515, 13448), (1640, 12423), (1681, 12120), (2020, 10086), (2424, 8405), (2460, 8282), (3030, 6724), (3362, 6060), (4040, 5043), (4141, 4920)]