15663721820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{9435977}}^1$

素因数の和:9436069

約数の個数: 24

約数和(自身を含む): 33290130384

約数和(自身を除く): 17626408564

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 9435977, 18871954, 37743908, 47179885, 94359770, 188719540, 783186091, 1566372182, 3132744364, 3915930455, 7831860910, 15663721820]

約数ペア:

[(1, 15663721820), (2, 7831860910), (4, 3915930455), (5, 3132744364), (10, 1566372182), (20, 783186091), (83, 188719540), (166, 94359770), (332, 47179885), (415, 37743908), (830, 18871954), (1660, 9435977)]