20045916

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 55770624

約数和(自身を除く): 35724708

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 223, 227, 396, 446, 454, 669, 681, 892, 908, 1338, 1362, 2007, 2043, 2453, 2497, 2676, 2724, 4014, 4086, 4906, 4994, 7359, 7491, 8028, 8172, 9812, 9988, 14718, 14982, 22077, 22473, 29436, 29964, 44154, 44946, 50621, 88308, 89892, 101242, 151863, 202484, 303726, 455589, 556831, 607452, 911178, 1113662, 1670493, 1822356, 2227324, 3340986, 5011479, 6681972, 10022958, 20045916]

約数ペア:

[(1, 20045916), (2, 10022958), (3, 6681972), (4, 5011479), (6, 3340986), (9, 2227324), (11, 1822356), (12, 1670493), (18, 1113662), (22, 911178), (33, 607452), (36, 556831), (44, 455589), (66, 303726), (99, 202484), (132, 151863), (198, 101242), (223, 89892), (227, 88308), (396, 50621), (446, 44946), (454, 44154), (669, 29964), (681, 29436), (892, 22473), (908, 22077), (1338, 14982), (1362, 14718), (2007, 9988), (2043, 9812), (2453, 8172), (2497, 8028), (2676, 7491), (2724, 7359), (4014, 4994), (4086, 4906)]