20175870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4703}}^1$

素因数の和:4737

約数の個数: 64

約数和(自身を含む): 56899584

約数和(自身を除く): 36723714

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 4703, 9406, 14109, 23515, 28218, 47030, 51733, 61139, 70545, 103466, 122278, 141090, 155199, 183417, 258665, 305695, 310398, 366834, 517330, 611390, 672529, 775995, 917085, 1345058, 1551990, 1834170, 2017587, 3362645, 4035174, 6725290, 10087935, 20175870]

約数ペア:

[(1, 20175870), (2, 10087935), (3, 6725290), (5, 4035174), (6, 3362645), (10, 2017587), (11, 1834170), (13, 1551990), (15, 1345058), (22, 917085), (26, 775995), (30, 672529), (33, 611390), (39, 517330), (55, 366834), (65, 310398), (66, 305695), (78, 258665), (110, 183417), (130, 155199), (143, 141090), (165, 122278), (195, 103466), (286, 70545), (330, 61139), (390, 51733), (429, 47030), (715, 28218), (858, 23515), (1430, 14109), (2145, 9406), (4290, 4703)]