20133506575

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{7649}}^1$

素因数の和:7781

約数の個数: 72

約数和(自身を含む): 31246884000

約数和(自身を除く): 11113377425

約数列:

[1, 5, 7, 13, 25, 35, 65, 89, 91, 169, 175, 325, 445, 455, 623, 845, 1157, 1183, 2225, 2275, 3115, 4225, 5785, 5915, 7649, 8099, 15041, 15575, 28925, 29575, 38245, 40495, 53543, 75205, 99437, 105287, 191225, 202475, 267715, 376025, 497185, 526435, 680761, 696059, 1292681, 1338575, 2485925, 2632175, 3403805, 3480295, 4765327, 6463405, 8849893, 9048767, 17019025, 17401475, 23826635, 32317025, 44249465, 45243835, 61949251, 115048609, 119133175, 221247325, 226219175, 309746255, 575243045, 805340263, 1548731275, 2876215225, 4026701315, 20133506575]

約数ペア:

[(1, 20133506575), (5, 4026701315), (7, 2876215225), (13, 1548731275), (25, 805340263), (35, 575243045), (65, 309746255), (89, 226219175), (91, 221247325), (169, 119133175), (175, 115048609), (325, 61949251), (445, 45243835), (455, 44249465), (623, 32317025), (845, 23826635), (1157, 17401475), (1183, 17019025), (2225, 9048767), (2275, 8849893), (3115, 6463405), (4225, 4765327), (5785, 3480295), (5915, 3403805), (7649, 2632175), (8099, 2485925), (15041, 1338575), (15575, 1292681), (28925, 696059), (29575, 680761), (38245, 526435), (40495, 497185), (53543, 376025), (75205, 267715), (99437, 202475), (105287, 191225)]