20872332

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 57503264

約数和(自身を除く): 36630932

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 103, 117, 156, 206, 234, 309, 412, 433, 468, 618, 866, 927, 1236, 1299, 1339, 1732, 1854, 2598, 2678, 3708, 3897, 4017, 5196, 5356, 5629, 7794, 8034, 11258, 12051, 15588, 16068, 16887, 22516, 24102, 33774, 44599, 48204, 50661, 67548, 89198, 101322, 133797, 178396, 202644, 267594, 401391, 535188, 579787, 802782, 1159574, 1605564, 1739361, 2319148, 3478722, 5218083, 6957444, 10436166, 20872332]

約数ペア:

[(1, 20872332), (2, 10436166), (3, 6957444), (4, 5218083), (6, 3478722), (9, 2319148), (12, 1739361), (13, 1605564), (18, 1159574), (26, 802782), (36, 579787), (39, 535188), (52, 401391), (78, 267594), (103, 202644), (117, 178396), (156, 133797), (206, 101322), (234, 89198), (309, 67548), (412, 50661), (433, 48204), (468, 44599), (618, 33774), (866, 24102), (927, 22516), (1236, 16887), (1299, 16068), (1339, 15588), (1732, 12051), (1854, 11258), (2598, 8034), (2678, 7794), (3708, 5629), (3897, 5356), (4017, 5196)]