20344972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 39836160

約数和(自身を除く): 19491188

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 103, 113, 206, 226, 412, 437, 452, 874, 1748, 1957, 2147, 2369, 2599, 3914, 4294, 4738, 5198, 7828, 8588, 9476, 10396, 11639, 23278, 45011, 46556, 49381, 90022, 98762, 180044, 197524, 221141, 267697, 442282, 535394, 884564, 1070788, 5086243, 10172486, 20344972]

約数ペア:

[(1, 20344972), (2, 10172486), (4, 5086243), (19, 1070788), (23, 884564), (38, 535394), (46, 442282), (76, 267697), (92, 221141), (103, 197524), (113, 180044), (206, 98762), (226, 90022), (412, 49381), (437, 46556), (452, 45011), (874, 23278), (1748, 11639), (1957, 10396), (2147, 9476), (2369, 8588), (2599, 7828), (3914, 5198), (4294, 4738)]