20446296

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^2$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 56140740

約数和(自身を除く): 35694444

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 71, 78, 104, 142, 156, 169, 213, 284, 312, 338, 426, 507, 568, 676, 852, 923, 1014, 1352, 1704, 1846, 2028, 2769, 3692, 4056, 5041, 5538, 7384, 10082, 11076, 11999, 15123, 20164, 22152, 23998, 30246, 35997, 40328, 47996, 60492, 65533, 71994, 95992, 120984, 131066, 143988, 196599, 262132, 287976, 393198, 524264, 786396, 851929, 1572792, 1703858, 2555787, 3407716, 5111574, 6815432, 10223148, 20446296]

約数ペア:

[(1, 20446296), (2, 10223148), (3, 6815432), (4, 5111574), (6, 3407716), (8, 2555787), (12, 1703858), (13, 1572792), (24, 851929), (26, 786396), (39, 524264), (52, 393198), (71, 287976), (78, 262132), (104, 196599), (142, 143988), (156, 131066), (169, 120984), (213, 95992), (284, 71994), (312, 65533), (338, 60492), (426, 47996), (507, 40328), (568, 35997), (676, 30246), (852, 23998), (923, 22152), (1014, 20164), (1352, 15123), (1704, 11999), (1846, 11076), (2028, 10082), (2769, 7384), (3692, 5538), (4056, 5041)]