20860461685

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{38851}}^1$

素因数の和:38938

約数の個数: 48

約数和(自身を含む): 30938624640

約数和(自身を除く): 10078162955

約数列:

[1, 5, 7, 23, 29, 35, 115, 145, 161, 203, 529, 667, 805, 1015, 2645, 3335, 3703, 4669, 15341, 18515, 23345, 38851, 76705, 107387, 194255, 271957, 536935, 893573, 1126679, 1359785, 4467865, 5633395, 6255011, 7886753, 20552179, 25913617, 31275055, 39433765, 102760895, 129568085, 143865253, 181395319, 596013191, 719326265, 906976595, 2980065955, 4172092337, 20860461685]

約数ペア:

[(1, 20860461685), (5, 4172092337), (7, 2980065955), (23, 906976595), (29, 719326265), (35, 596013191), (115, 181395319), (145, 143865253), (161, 129568085), (203, 102760895), (529, 39433765), (667, 31275055), (805, 25913617), (1015, 20552179), (2645, 7886753), (3335, 6255011), (3703, 5633395), (4669, 4467865), (15341, 1359785), (18515, 1126679), (23345, 893573), (38851, 536935), (76705, 271957), (107387, 194255)]