20186530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3169}}^1$

素因数の和:3203

約数の個数: 48

約数和(自身を含む): 45533880

約数和(自身を除く): 25347350

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3169, 3185, 6338, 6370, 15845, 22183, 31690, 41197, 44366, 82394, 110915, 155281, 205985, 221830, 288379, 310562, 411970, 576758, 776405, 1441895, 1552810, 2018653, 2883790, 4037306, 10093265, 20186530]

約数ペア:

[(1, 20186530), (2, 10093265), (5, 4037306), (7, 2883790), (10, 2018653), (13, 1552810), (14, 1441895), (26, 776405), (35, 576758), (49, 411970), (65, 310562), (70, 288379), (91, 221830), (98, 205985), (130, 155281), (182, 110915), (245, 82394), (455, 44366), (490, 41197), (637, 31690), (910, 22183), (1274, 15845), (3169, 6370), (3185, 6338)]