20197236438

素因数分解:

$2^1\times 3^4\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{7573}}^1$

素因数の和:7851

約数の個数: 80

約数和(自身を含む): 45991327536

約数和(自身を除く): 25794091098

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 101, 162, 163, 202, 303, 326, 489, 606, 909, 978, 1467, 1818, 2727, 2934, 4401, 5454, 7573, 8181, 8802, 13203, 15146, 16362, 16463, 22719, 26406, 32926, 45438, 49389, 68157, 98778, 136314, 148167, 204471, 296334, 408942, 444501, 613413, 764873, 889002, 1226826, 1234399, 1333503, 1529746, 2294619, 2468798, 2667006, 3703197, 4589238, 6883857, 7406394, 11109591, 13767714, 20651571, 22219182, 33328773, 41303142, 61954713, 66657546, 99986319, 123909426, 124674299, 199972638, 249348598, 374022897, 748045794, 1122068691, 2244137382, 3366206073, 6732412146, 10098618219, 20197236438]

約数ペア:

[(1, 20197236438), (2, 10098618219), (3, 6732412146), (6, 3366206073), (9, 2244137382), (18, 1122068691), (27, 748045794), (54, 374022897), (81, 249348598), (101, 199972638), (162, 124674299), (163, 123909426), (202, 99986319), (303, 66657546), (326, 61954713), (489, 41303142), (606, 33328773), (909, 22219182), (978, 20651571), (1467, 13767714), (1818, 11109591), (2727, 7406394), (2934, 6883857), (4401, 4589238), (5454, 3703197), (7573, 2667006), (8181, 2468798), (8802, 2294619), (13203, 1529746), (15146, 1333503), (16362, 1234399), (16463, 1226826), (22719, 889002), (26406, 764873), (32926, 613413), (45438, 444501), (49389, 408942), (68157, 296334), (98778, 204471), (136314, 148167)]