20240736740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{983}}^1\times {\mathrm{21011}}^1$

素因数の和:22017

約数の個数: 72

約数和(自身を含む): 49497884352

約数和(自身を除く): 29257147612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 983, 1966, 3932, 4915, 6881, 9830, 13762, 19660, 21011, 27524, 34405, 42022, 48167, 68810, 84044, 96334, 105055, 137620, 147077, 192668, 210110, 240835, 294154, 420220, 481670, 588308, 735385, 963340, 1029539, 1470770, 2059078, 2941540, 4118156, 5147695, 10295390, 20590780, 20653813, 41307626, 82615252, 103269065, 144576691, 206538130, 289153382, 413076260, 578306764, 722883455, 1012036837, 1445766910, 2024073674, 2891533820, 4048147348, 5060184185, 10120368370, 20240736740]

約数ペア:

[(1, 20240736740), (2, 10120368370), (4, 5060184185), (5, 4048147348), (7, 2891533820), (10, 2024073674), (14, 1445766910), (20, 1012036837), (28, 722883455), (35, 578306764), (49, 413076260), (70, 289153382), (98, 206538130), (140, 144576691), (196, 103269065), (245, 82615252), (490, 41307626), (980, 20653813), (983, 20590780), (1966, 10295390), (3932, 5147695), (4915, 4118156), (6881, 2941540), (9830, 2059078), (13762, 1470770), (19660, 1029539), (21011, 963340), (27524, 735385), (34405, 588308), (42022, 481670), (48167, 420220), (68810, 294154), (84044, 240835), (96334, 210110), (105055, 192668), (137620, 147077)]