20515628288

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{31219}}^1$

素因数の和:31403

約数の個数: 72

約数和(自身を含む): 43648557120

約数和(自身を除く): 23132928832

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 151, 256, 272, 302, 544, 604, 1088, 1208, 2176, 2416, 2567, 4352, 4832, 5134, 9664, 10268, 19328, 20536, 31219, 38656, 41072, 62438, 82144, 124876, 164288, 249752, 328576, 499504, 530723, 657152, 999008, 1061446, 1998016, 2122892, 3996032, 4245784, 4714069, 7992064, 8491568, 9428138, 16983136, 18856276, 33966272, 37712552, 67932544, 75425104, 80139173, 135865088, 150850208, 160278346, 301700416, 320556692, 603400832, 641113384, 1206801664, 1282226768, 2564453536, 5128907072, 10257814144, 20515628288]

約数ペア:

[(1, 20515628288), (2, 10257814144), (4, 5128907072), (8, 2564453536), (16, 1282226768), (17, 1206801664), (32, 641113384), (34, 603400832), (64, 320556692), (68, 301700416), (128, 160278346), (136, 150850208), (151, 135865088), (256, 80139173), (272, 75425104), (302, 67932544), (544, 37712552), (604, 33966272), (1088, 18856276), (1208, 16983136), (2176, 9428138), (2416, 8491568), (2567, 7992064), (4352, 4714069), (4832, 4245784), (5134, 3996032), (9664, 2122892), (10268, 1998016), (19328, 1061446), (20536, 999008), (31219, 657152), (38656, 530723), (41072, 499504), (62438, 328576), (82144, 249752), (124876, 164288)]