20091528

素因数分解:

$2^3\times 3^2\times {\mathrm{173}}^1\times {\mathrm{1613}}^1$

素因数の和:1798

約数の個数: 48

約数和(自身を含む): 54763020

約数和(自身を除く): 34671492

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 173, 346, 519, 692, 1038, 1384, 1557, 1613, 2076, 3114, 3226, 4152, 4839, 6228, 6452, 9678, 12456, 12904, 14517, 19356, 29034, 38712, 58068, 116136, 279049, 558098, 837147, 1116196, 1674294, 2232392, 2511441, 3348588, 5022882, 6697176, 10045764, 20091528]

約数ペア:

[(1, 20091528), (2, 10045764), (3, 6697176), (4, 5022882), (6, 3348588), (8, 2511441), (9, 2232392), (12, 1674294), (18, 1116196), (24, 837147), (36, 558098), (72, 279049), (173, 116136), (346, 58068), (519, 38712), (692, 29034), (1038, 19356), (1384, 14517), (1557, 12904), (1613, 12456), (2076, 9678), (3114, 6452), (3226, 6228), (4152, 4839)]