20347926525

素因数分解:

$3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{659}}^1\times {\mathrm{1259}}^1$

素因数の和:2043

約数の個数: 72

約数和(自身を含む): 36864828000

約数和(自身を除く): 16516901475

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 225, 327, 545, 659, 981, 1259, 1635, 1977, 2725, 3295, 3777, 4905, 5931, 6295, 8175, 9885, 11331, 16475, 18885, 24525, 29655, 31475, 49425, 56655, 71831, 94425, 137231, 148275, 215493, 283275, 359155, 411693, 646479, 686155, 829681, 1077465, 1235079, 1795775, 2058465, 2489043, 3232395, 3430775, 4148405, 5387325, 6175395, 7467129, 10292325, 12445215, 16161975, 20742025, 30876975, 37335645, 62226075, 90435229, 186678225, 271305687, 452176145, 813917061, 1356528435, 2260880725, 4069585305, 6782642175, 20347926525]

約数ペア:

[(1, 20347926525), (3, 6782642175), (5, 4069585305), (9, 2260880725), (15, 1356528435), (25, 813917061), (45, 452176145), (75, 271305687), (109, 186678225), (225, 90435229), (327, 62226075), (545, 37335645), (659, 30876975), (981, 20742025), (1259, 16161975), (1635, 12445215), (1977, 10292325), (2725, 7467129), (3295, 6175395), (3777, 5387325), (4905, 4148405), (5931, 3430775), (6295, 3232395), (8175, 2489043), (9885, 2058465), (11331, 1795775), (16475, 1235079), (18885, 1077465), (24525, 829681), (29655, 686155), (31475, 646479), (49425, 411693), (56655, 359155), (71831, 283275), (94425, 215493), (137231, 148275)]