20974006624

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{839}}^1\times {\mathrm{11003}}^1$

素因数の和:11923

約数の個数: 48

約数和(自身を含む): 41927880960

約数和(自身を除く): 20953874336

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 839, 1136, 1678, 2272, 3356, 6712, 11003, 13424, 22006, 26848, 44012, 59569, 88024, 119138, 176048, 238276, 352096, 476552, 781213, 953104, 1562426, 1906208, 3124852, 6249704, 9231517, 12499408, 18463034, 24998816, 36926068, 73852136, 147704272, 295408544, 655437707, 1310875414, 2621750828, 5243501656, 10487003312, 20974006624]

約数ペア:

[(1, 20974006624), (2, 10487003312), (4, 5243501656), (8, 2621750828), (16, 1310875414), (32, 655437707), (71, 295408544), (142, 147704272), (284, 73852136), (568, 36926068), (839, 24998816), (1136, 18463034), (1678, 12499408), (2272, 9231517), (3356, 6249704), (6712, 3124852), (11003, 1906208), (13424, 1562426), (22006, 953104), (26848, 781213), (44012, 476552), (59569, 352096), (88024, 238276), (119138, 176048)]