20463170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 25501630

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 113, 130, 182, 199, 226, 398, 455, 565, 791, 910, 995, 1130, 1393, 1469, 1582, 1990, 2587, 2786, 2938, 3955, 5174, 6965, 7345, 7910, 10283, 12935, 13930, 14690, 18109, 20566, 22487, 25870, 36218, 44974, 51415, 90545, 102830, 112435, 157409, 181090, 224870, 292331, 314818, 584662, 787045, 1461655, 1574090, 2046317, 2923310, 4092634, 10231585, 20463170]

約数ペア:

[(1, 20463170), (2, 10231585), (5, 4092634), (7, 2923310), (10, 2046317), (13, 1574090), (14, 1461655), (26, 787045), (35, 584662), (65, 314818), (70, 292331), (91, 224870), (113, 181090), (130, 157409), (182, 112435), (199, 102830), (226, 90545), (398, 51415), (455, 44974), (565, 36218), (791, 25870), (910, 22487), (995, 20566), (1130, 18109), (1393, 14690), (1469, 13930), (1582, 12935), (1990, 10283), (2587, 7910), (2786, 7345), (2938, 6965), (3955, 5174)]