2020238415

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{1087}}^1$

素因数の和:1470

約数の個数: 80

約数和(自身を含む): 3914684928

約数和(自身を除く): 1894446513

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 353, 405, 585, 1053, 1059, 1087, 1755, 1765, 3177, 3261, 4589, 5265, 5295, 5435, 9531, 9783, 13767, 14131, 15885, 16305, 22945, 28593, 29349, 41301, 42393, 47655, 48915, 68835, 70655, 88047, 123903, 127179, 142965, 146745, 206505, 211965, 371709, 381537, 383711, 440235, 619515, 635895, 1144611, 1151133, 1858545, 1907685, 1918555, 3453399, 4988243, 5723055, 5755665, 10360197, 14964729, 17266995, 24941215, 31080591, 44894187, 51800985, 74823645, 134682561, 155402955, 224470935, 404047683, 673412805, 2020238415]

約数ペア:

[(1, 2020238415), (3, 673412805), (5, 404047683), (9, 224470935), (13, 155402955), (15, 134682561), (27, 74823645), (39, 51800985), (45, 44894187), (65, 31080591), (81, 24941215), (117, 17266995), (135, 14964729), (195, 10360197), (351, 5755665), (353, 5723055), (405, 4988243), (585, 3453399), (1053, 1918555), (1059, 1907685), (1087, 1858545), (1755, 1151133), (1765, 1144611), (3177, 635895), (3261, 619515), (4589, 440235), (5265, 383711), (5295, 381537), (5435, 371709), (9531, 211965), (9783, 206505), (13767, 146745), (14131, 142965), (15885, 127179), (16305, 123903), (22945, 88047), (28593, 70655), (29349, 68835), (41301, 48915), (42393, 47655)]