20456083921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1\times {\mathrm{10009}}^1$

素因数の和:10673

約数の個数: 32

約数和(自身を含む): 25902356480

約数和(自身を除く): 5446272559

約数列:

[1, 7, 13, 37, 91, 259, 481, 607, 3367, 4249, 7891, 10009, 22459, 55237, 70063, 130117, 157213, 291967, 370333, 910819, 2043769, 2592331, 4814329, 6075463, 33700303, 42528241, 78981019, 224792131, 552867133, 1573544917, 2922297703, 20456083921]

約数ペア:

[(1, 20456083921), (7, 2922297703), (13, 1573544917), (37, 552867133), (91, 224792131), (259, 78981019), (481, 42528241), (607, 33700303), (3367, 6075463), (4249, 4814329), (7891, 2592331), (10009, 2043769), (22459, 910819), (55237, 370333), (70063, 291967), (130117, 157213)]