About the Number

20512496140

20512496139 ← → 20512496141

2進数表記:10011000110101000111101101000001100

漢数字表記:二百五億千二百四十九万六千百四十

素因数分解:

2 2 × 5 1 × 17 1 × 19 1 × 131 1 × 24239 1

素因数の和:24415
約数の個数: 96
約数和(自身を含む): 48379161600
約数和(自身を除く): 27866665460

約数列:
[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 131, 170, 190, 262, 323, 340, 380, 524, 646, 655, 1292, 1310, 1615, 2227, 2489, 2620, 3230, 4454, 4978, 6460, 8908, 9956, 11135, 12445, 22270, 24239, 24890, 42313, 44540, 48478, 49780, 84626, 96956, 121195, 169252, 211565, 242390, 412063, 423130, 460541, 484780, 824126, 846260, 921082, 1648252, 1842164, 2060315, 2302705, 3175309, 4120630, 4605410, 6350618, 7829197, 8241260, 9210820, 12701236, 15658394, 15876545, 31316788, 31753090, 39145985, 53980253, 60330871, 63506180, 78291970, 107960506, 120661742, 156583940, 215921012, 241323484, 269901265, 301654355, 539802530, 603308710, 1025624807, 1079605060, 1206617420, 2051249614, 4102499228, 5128124035, 10256248070, 20512496140]

約数ペア:
[(1, 20512496140), (2, 10256248070), (4, 5128124035), (5, 4102499228), (10, 2051249614), (17, 1206617420), (19, 1079605060), (20, 1025624807), (34, 603308710), (38, 539802530), (68, 301654355), (76, 269901265), (85, 241323484), (95, 215921012), (131, 156583940), (170, 120661742), (190, 107960506), (262, 78291970), (323, 63506180), (340, 60330871), (380, 53980253), (524, 39145985), (646, 31753090), (655, 31316788), (1292, 15876545), (1310, 15658394), (1615, 12701236), (2227, 9210820), (2489, 8241260), (2620, 7829197), (3230, 6350618), (4454, 4605410), (4978, 4120630), (6460, 3175309), (8908, 2302705), (9956, 2060315), (11135, 1842164), (12445, 1648252), (22270, 921082), (24239, 846260), (24890, 824126), (42313, 484780), (44540, 460541), (48478, 423130), (49780, 412063), (84626, 242390), (96956, 211565), (121195, 169252)]

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