20341024060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{139303}}^1$

素因数の和:139475

約数の個数: 72

約数和(自身を含む): 50024066400

約数和(自身を除く): 29683042340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 298, 490, 596, 745, 980, 1043, 1490, 2086, 2980, 4172, 5215, 7301, 10430, 14602, 20860, 29204, 36505, 73010, 139303, 146020, 278606, 557212, 696515, 975121, 1393030, 1950242, 2786060, 3900484, 4875605, 6825847, 9751210, 13651694, 19502420, 20756147, 27303388, 34129235, 41512294, 68258470, 83024588, 103780735, 136516940, 145293029, 207561470, 290586058, 415122940, 581172116, 726465145, 1017051203, 1452930290, 2034102406, 2905860580, 4068204812, 5085256015, 10170512030, 20341024060]

約数ペア:

[(1, 20341024060), (2, 10170512030), (4, 5085256015), (5, 4068204812), (7, 2905860580), (10, 2034102406), (14, 1452930290), (20, 1017051203), (28, 726465145), (35, 581172116), (49, 415122940), (70, 290586058), (98, 207561470), (140, 145293029), (149, 136516940), (196, 103780735), (245, 83024588), (298, 68258470), (490, 41512294), (596, 34129235), (745, 27303388), (980, 20756147), (1043, 19502420), (1490, 13651694), (2086, 9751210), (2980, 6825847), (4172, 4875605), (5215, 3900484), (7301, 2786060), (10430, 1950242), (14602, 1393030), (20860, 975121), (29204, 696515), (36505, 557212), (73010, 278606), (139303, 146020)]