20482320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2753}}^1$

素因数の和:2800

約数の個数: 80

約数和(自身を含む): 65567232

約数和(自身を除く): 45084912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 2753, 3720, 5506, 7440, 8259, 11012, 13765, 16518, 22024, 27530, 33036, 41295, 44048, 55060, 66072, 82590, 85343, 110120, 132144, 165180, 170686, 220240, 256029, 330360, 341372, 426715, 512058, 660720, 682744, 853430, 1024116, 1280145, 1365488, 1706860, 2048232, 2560290, 3413720, 4096464, 5120580, 6827440, 10241160, 20482320]

約数ペア:

[(1, 20482320), (2, 10241160), (3, 6827440), (4, 5120580), (5, 4096464), (6, 3413720), (8, 2560290), (10, 2048232), (12, 1706860), (15, 1365488), (16, 1280145), (20, 1024116), (24, 853430), (30, 682744), (31, 660720), (40, 512058), (48, 426715), (60, 341372), (62, 330360), (80, 256029), (93, 220240), (120, 170686), (124, 165180), (155, 132144), (186, 110120), (240, 85343), (248, 82590), (310, 66072), (372, 55060), (465, 44048), (496, 41295), (620, 33036), (744, 27530), (930, 22024), (1240, 16518), (1488, 13765), (1860, 11012), (2480, 8259), (2753, 7440), (3720, 5506)]