20121030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13151}}^1$

素因数の和:13181

約数の個数: 48

約数和(自身を含む): 55396224

約数和(自身を除く): 35275194

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13151, 26302, 39453, 65755, 78906, 118359, 131510, 197265, 223567, 236718, 394530, 447134, 591795, 670701, 1117835, 1183590, 1341402, 2012103, 2235670, 3353505, 4024206, 6707010, 10060515, 20121030]

約数ペア:

[(1, 20121030), (2, 10060515), (3, 6707010), (5, 4024206), (6, 3353505), (9, 2235670), (10, 2012103), (15, 1341402), (17, 1183590), (18, 1117835), (30, 670701), (34, 591795), (45, 447134), (51, 394530), (85, 236718), (90, 223567), (102, 197265), (153, 131510), (170, 118359), (255, 78906), (306, 65755), (510, 39453), (765, 26302), (1530, 13151)]