20569660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{599}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 46267200

約数和(自身を除く): 25697540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 599, 1010, 1198, 1717, 2020, 2396, 2995, 3434, 5990, 6868, 8585, 10183, 11980, 17170, 20366, 34340, 40732, 50915, 60499, 101830, 120998, 203660, 241996, 302495, 604990, 1028483, 1209980, 2056966, 4113932, 5142415, 10284830, 20569660]

約数ペア:

[(1, 20569660), (2, 10284830), (4, 5142415), (5, 4113932), (10, 2056966), (17, 1209980), (20, 1028483), (34, 604990), (68, 302495), (85, 241996), (101, 203660), (170, 120998), (202, 101830), (340, 60499), (404, 50915), (505, 40732), (599, 34340), (1010, 20366), (1198, 17170), (1717, 11980), (2020, 10183), (2396, 8585), (2995, 6868), (3434, 5990)]