20559902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{54973}}^1$

素因数の和:55003

約数の個数: 16

約数和(自身を含む): 35623152

約数和(自身を除く): 15063250

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 54973, 109946, 604703, 934541, 1209406, 1869082, 10279951, 20559902]

約数ペア:

[(1, 20559902), (2, 10279951), (11, 1869082), (17, 1209406), (22, 934541), (34, 604703), (187, 109946), (374, 54973)]