20235065721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{306829}}^1$

素因数の和:306953

約数の個数: 32

約数和(自身を含む): 30928464000

約数和(自身を除く): 10693398279

約数列:

[1, 3, 13, 19, 39, 57, 89, 247, 267, 741, 1157, 1691, 3471, 5073, 21983, 65949, 306829, 920487, 3988777, 5829751, 11966331, 17489253, 27307781, 75786763, 81923343, 227360289, 355001153, 518847839, 1065003459, 1556543517, 6745021907, 20235065721]

約数ペア:

[(1, 20235065721), (3, 6745021907), (13, 1556543517), (19, 1065003459), (39, 518847839), (57, 355001153), (89, 227360289), (247, 81923343), (267, 75786763), (741, 27307781), (1157, 17489253), (1691, 11966331), (3471, 5829751), (5073, 3988777), (21983, 920487), (65949, 306829)]