20465432

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10357}}^1$

素因数の和:10395

約数の個数: 32

約数和(自身を含む): 43503600

約数和(自身を除く): 23038168

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10357, 20714, 41428, 82856, 134641, 196783, 269282, 393566, 538564, 787132, 1077128, 1574264, 2558179, 5116358, 10232716, 20465432]

約数ペア:

[(1, 20465432), (2, 10232716), (4, 5116358), (8, 2558179), (13, 1574264), (19, 1077128), (26, 787132), (38, 538564), (52, 393566), (76, 269282), (104, 196783), (152, 134641), (247, 82856), (494, 41428), (988, 20714), (1976, 10357)]