20749207923

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{563}}^1\times {\mathrm{577}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 30919689216

約数和(自身を除く): 10170481293

約数列:

[1, 3, 9, 47, 141, 151, 423, 453, 563, 577, 1359, 1689, 1731, 5067, 5193, 7097, 21291, 26461, 27119, 63873, 79383, 81357, 85013, 87127, 238149, 244071, 255039, 261381, 324851, 765117, 784143, 974553, 2923659, 3995611, 4094969, 11986833, 12284907, 15267997, 35960499, 36854721, 45803991, 49052501, 137411973, 147157503, 441472509, 2305467547, 6916402641, 20749207923]

約数ペア:

[(1, 20749207923), (3, 6916402641), (9, 2305467547), (47, 441472509), (141, 147157503), (151, 137411973), (423, 49052501), (453, 45803991), (563, 36854721), (577, 35960499), (1359, 15267997), (1689, 12284907), (1731, 11986833), (5067, 4094969), (5193, 3995611), (7097, 2923659), (21291, 974553), (26461, 784143), (27119, 765117), (63873, 324851), (79383, 261381), (81357, 255039), (85013, 244071), (87127, 238149)]