20121458735

素因数分解:

$5^1\times 7^3\times {\mathrm{389}}^1\times {\mathrm{30161}}^1$

素因数の和:30576

約数の個数: 32

約数和(自身を含む): 28231632000

約数和(自身を除く): 8110173265

約数列:

[1, 5, 7, 35, 49, 245, 343, 389, 1715, 1945, 2723, 13615, 19061, 30161, 95305, 133427, 150805, 211127, 667135, 1055635, 1477889, 7389445, 10345223, 11732629, 51726115, 58663145, 82128403, 410642015, 574898821, 2874494105, 4024291747, 20121458735]

約数ペア:

[(1, 20121458735), (5, 4024291747), (7, 2874494105), (35, 574898821), (49, 410642015), (245, 82128403), (343, 58663145), (389, 51726115), (1715, 11732629), (1945, 10345223), (2723, 7389445), (13615, 1477889), (19061, 1055635), (30161, 667135), (95305, 211127), (133427, 150805)]