20237520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 160

約数和(自身を含む): 67174272

約数和(自身を除く): 46936752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 43, 48, 53, 60, 74, 80, 86, 106, 111, 120, 129, 148, 159, 172, 185, 212, 215, 222, 240, 258, 265, 296, 318, 344, 370, 424, 430, 444, 516, 530, 555, 592, 636, 645, 688, 740, 795, 848, 860, 888, 1032, 1060, 1110, 1272, 1290, 1480, 1590, 1591, 1720, 1776, 1961, 2064, 2120, 2220, 2279, 2544, 2580, 2960, 3180, 3182, 3440, 3922, 4240, 4440, 4558, 4773, 5160, 5883, 6360, 6364, 6837, 7844, 7955, 8880, 9116, 9546, 9805, 10320, 11395, 11766, 12720, 12728, 13674, 15688, 15910, 18232, 19092, 19610, 22790, 23532, 23865, 25456, 27348, 29415, 31376, 31820, 34185, 36464, 38184, 39220, 45580, 47064, 47730, 54696, 58830, 63640, 68370, 76368, 78440, 84323, 91160, 94128, 95460, 109392, 117660, 127280, 136740, 156880, 168646, 182320, 190920, 235320, 252969, 273480, 337292, 381840, 421615, 470640, 505938, 546960, 674584, 843230, 1011876, 1264845, 1349168, 1686460, 2023752, 2529690, 3372920, 4047504, 5059380, 6745840, 10118760, 20237520]

約数ペア:

[(1, 20237520), (2, 10118760), (3, 6745840), (4, 5059380), (5, 4047504), (6, 3372920), (8, 2529690), (10, 2023752), (12, 1686460), (15, 1349168), (16, 1264845), (20, 1011876), (24, 843230), (30, 674584), (37, 546960), (40, 505938), (43, 470640), (48, 421615), (53, 381840), (60, 337292), (74, 273480), (80, 252969), (86, 235320), (106, 190920), (111, 182320), (120, 168646), (129, 156880), (148, 136740), (159, 127280), (172, 117660), (185, 109392), (212, 95460), (215, 94128), (222, 91160), (240, 84323), (258, 78440), (265, 76368), (296, 68370), (318, 63640), (344, 58830), (370, 54696), (424, 47730), (430, 47064), (444, 45580), (516, 39220), (530, 38184), (555, 36464), (592, 34185), (636, 31820), (645, 31376), (688, 29415), (740, 27348), (795, 25456), (848, 23865), (860, 23532), (888, 22790), (1032, 19610), (1060, 19092), (1110, 18232), (1272, 15910), (1290, 15688), (1480, 13674), (1590, 12728), (1591, 12720), (1720, 11766), (1776, 11395), (1961, 10320), (2064, 9805), (2120, 9546), (2220, 9116), (2279, 8880), (2544, 7955), (2580, 7844), (2960, 6837), (3180, 6364), (3182, 6360), (3440, 5883), (3922, 5160), (4240, 4773), (4440, 4558)]