20009496

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1087}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 54835200

約数和(自身を除く): 34825704

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 59, 78, 104, 118, 156, 177, 236, 312, 354, 472, 708, 767, 1087, 1416, 1534, 2174, 2301, 3068, 3261, 4348, 4602, 6136, 6522, 8696, 9204, 13044, 14131, 18408, 26088, 28262, 42393, 56524, 64133, 84786, 113048, 128266, 169572, 192399, 256532, 339144, 384798, 513064, 769596, 833729, 1539192, 1667458, 2501187, 3334916, 5002374, 6669832, 10004748, 20009496]

約数ペア:

[(1, 20009496), (2, 10004748), (3, 6669832), (4, 5002374), (6, 3334916), (8, 2501187), (12, 1667458), (13, 1539192), (24, 833729), (26, 769596), (39, 513064), (52, 384798), (59, 339144), (78, 256532), (104, 192399), (118, 169572), (156, 128266), (177, 113048), (236, 84786), (312, 64133), (354, 56524), (472, 42393), (708, 28262), (767, 26088), (1087, 18408), (1416, 14131), (1534, 13044), (2174, 9204), (2301, 8696), (3068, 6522), (3261, 6136), (4348, 4602)]