20355764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1873}}^1$

素因数の和:1920

約数の個数: 48

約数和(自身を含む): 44076480

約数和(自身を除く): 23720716

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 418, 494, 572, 836, 988, 1873, 2717, 3746, 5434, 7492, 10868, 20603, 24349, 35587, 41206, 48698, 71174, 82412, 97396, 142348, 267839, 391457, 462631, 535678, 782914, 925262, 1071356, 1565828, 1850524, 5088941, 10177882, 20355764]

約数ペア:

[(1, 20355764), (2, 10177882), (4, 5088941), (11, 1850524), (13, 1565828), (19, 1071356), (22, 925262), (26, 782914), (38, 535678), (44, 462631), (52, 391457), (76, 267839), (143, 142348), (209, 97396), (247, 82412), (286, 71174), (418, 48698), (494, 41206), (572, 35587), (836, 24349), (988, 20603), (1873, 10868), (2717, 7492), (3746, 5434)]