20943524

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1913}}^1$

素因数の和:1964

約数の個数: 48

約数和(自身を含む): 46303488

約数和(自身を除く): 25359964

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 644, 782, 1564, 1913, 2737, 3826, 5474, 7652, 10948, 13391, 26782, 32521, 43999, 53564, 65042, 87998, 130084, 175996, 227647, 307993, 455294, 615986, 747983, 910588, 1231972, 1495966, 2991932, 5235881, 10471762, 20943524]

約数ペア:

[(1, 20943524), (2, 10471762), (4, 5235881), (7, 2991932), (14, 1495966), (17, 1231972), (23, 910588), (28, 747983), (34, 615986), (46, 455294), (68, 307993), (92, 227647), (119, 175996), (161, 130084), (238, 87998), (322, 65042), (391, 53564), (476, 43999), (644, 32521), (782, 26782), (1564, 13391), (1913, 10948), (2737, 7652), (3826, 5474)]