20166061720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{331897}}^1$

素因数の和:331953

約数の個数: 96

約数和(自身を含む): 54484375680

約数和(自身を除く): 34318313960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 620, 868, 980, 1085, 1240, 1519, 1736, 1960, 2170, 3038, 4340, 6076, 7595, 8680, 12152, 15190, 30380, 60760, 331897, 663794, 1327588, 1659485, 2323279, 2655176, 3318970, 4646558, 6637940, 9293116, 10288807, 11616395, 13275880, 16262953, 18586232, 20577614, 23232790, 32525906, 41155228, 46465580, 51444035, 65051812, 72021649, 81314765, 82310456, 92931160, 102888070, 130103624, 144043298, 162629530, 205776140, 288086596, 325259060, 360108245, 411552280, 504151543, 576173192, 650518120, 720216490, 1008303086, 1440432980, 2016606172, 2520757715, 2880865960, 4033212344, 5041515430, 10083030860, 20166061720]

約数ペア:

[(1, 20166061720), (2, 10083030860), (4, 5041515430), (5, 4033212344), (7, 2880865960), (8, 2520757715), (10, 2016606172), (14, 1440432980), (20, 1008303086), (28, 720216490), (31, 650518120), (35, 576173192), (40, 504151543), (49, 411552280), (56, 360108245), (62, 325259060), (70, 288086596), (98, 205776140), (124, 162629530), (140, 144043298), (155, 130103624), (196, 102888070), (217, 92931160), (245, 82310456), (248, 81314765), (280, 72021649), (310, 65051812), (392, 51444035), (434, 46465580), (490, 41155228), (620, 32525906), (868, 23232790), (980, 20577614), (1085, 18586232), (1240, 16262953), (1519, 13275880), (1736, 11616395), (1960, 10288807), (2170, 9293116), (3038, 6637940), (4340, 4646558), (6076, 3318970), (7595, 2655176), (8680, 2323279), (12152, 1659485), (15190, 1327588), (30380, 663794), (60760, 331897)]