20537428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{5119}}^1$

素因数の和:5199

約数の個数: 24

約数和(自身を含む): 38707200

約数和(自身を除く): 18169772

約数列:

[1, 2, 4, 17, 34, 59, 68, 118, 236, 1003, 2006, 4012, 5119, 10238, 20476, 87023, 174046, 302021, 348092, 604042, 1208084, 5134357, 10268714, 20537428]

約数ペア:

[(1, 20537428), (2, 10268714), (4, 5134357), (17, 1208084), (34, 604042), (59, 348092), (68, 302021), (118, 174046), (236, 87023), (1003, 20476), (2006, 10238), (4012, 5119)]