20239520917

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{34847}}^1$

素因数の和:35281

約数の個数: 32

約数和(自身を含む): 26629447680

約数和(自身を除く): 6389926763

約数列:

[1, 7, 11, 19, 77, 133, 209, 397, 1463, 2779, 4367, 7543, 30569, 34847, 52801, 82973, 243929, 383317, 580811, 662093, 2683219, 4634651, 7283023, 13834259, 50981161, 96839813, 152176849, 262850921, 1065237943, 1839956447, 2891360131, 20239520917]

約数ペア:

[(1, 20239520917), (7, 2891360131), (11, 1839956447), (19, 1065237943), (77, 262850921), (133, 152176849), (209, 96839813), (397, 50981161), (1463, 13834259), (2779, 7283023), (4367, 4634651), (7543, 2683219), (30569, 662093), (34847, 580811), (52801, 383317), (82973, 243929)]