20994635528

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{7879}}^1\times {\mathrm{4013}}^1$

素因数の和:11981

約数の個数: 32

約数和(自身を含む): 39854203200

約数和(自身を除く): 18859567672

約数列:

[1, 2, 4, 8, 83, 166, 332, 664, 4013, 7879, 8026, 15758, 16052, 31516, 32104, 63032, 333079, 653957, 666158, 1307914, 1332316, 2615828, 2664632, 5231656, 31618427, 63236854, 126473708, 252947416, 2624329441, 5248658882, 10497317764, 20994635528]

約数ペア:

[(1, 20994635528), (2, 10497317764), (4, 5248658882), (8, 2624329441), (83, 252947416), (166, 126473708), (332, 63236854), (664, 31618427), (4013, 5231656), (7879, 2664632), (8026, 2615828), (15758, 1332316), (16052, 1307914), (31516, 666158), (32104, 653957), (63032, 333079)]