20173210940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1\times {\mathrm{47639}}^1$

素因数の和:48362

約数の個数: 48

約数和(自身を含む): 43795261440

約数和(自身を除く): 23622050500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 683, 1366, 2732, 3415, 6830, 13660, 21173, 42346, 47639, 84692, 95278, 105865, 190556, 211730, 238195, 423460, 476390, 952780, 1476809, 2953618, 5907236, 7384045, 14768090, 29536180, 32537437, 65074874, 130149748, 162687185, 325374370, 650748740, 1008660547, 2017321094, 4034642188, 5043302735, 10086605470, 20173210940]

約数ペア:

[(1, 20173210940), (2, 10086605470), (4, 5043302735), (5, 4034642188), (10, 2017321094), (20, 1008660547), (31, 650748740), (62, 325374370), (124, 162687185), (155, 130149748), (310, 65074874), (620, 32537437), (683, 29536180), (1366, 14768090), (2732, 7384045), (3415, 5907236), (6830, 2953618), (13660, 1476809), (21173, 952780), (42346, 476390), (47639, 423460), (84692, 238195), (95278, 211730), (105865, 190556)]