20210958963

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{19429}}^1$

素因数の和:19988

約数の個数: 48

約数和(自身を含む): 33354004320

約数和(自身を除く): 13143045357

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 523, 663, 1569, 1989, 4707, 6799, 8891, 19429, 20397, 26673, 58287, 61191, 80019, 115583, 174861, 252577, 330293, 346749, 757731, 990879, 1040247, 2273193, 2972637, 4293809, 10161367, 12881427, 30484101, 38644281, 91452303, 132097771, 172743239, 396293313, 518229717, 1188879939, 1554689151, 2245662107, 6736986321, 20210958963]

約数ペア:

[(1, 20210958963), (3, 6736986321), (9, 2245662107), (13, 1554689151), (17, 1188879939), (39, 518229717), (51, 396293313), (117, 172743239), (153, 132097771), (221, 91452303), (523, 38644281), (663, 30484101), (1569, 12881427), (1989, 10161367), (4707, 4293809), (6799, 2972637), (8891, 2273193), (19429, 1040247), (20397, 990879), (26673, 757731), (58287, 346749), (61191, 330293), (80019, 252577), (115583, 174861)]