10920820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 24998400

約数和(自身を除く): 14077580

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 991, 1102, 1982, 2204, 2755, 3964, 4955, 5510, 9910, 11020, 18829, 19820, 28739, 37658, 57478, 75316, 94145, 114956, 143695, 188290, 287390, 376580, 546041, 574780, 1092082, 2184164, 2730205, 5460410, 10920820]

約数ペア:

[(1, 10920820), (2, 5460410), (4, 2730205), (5, 2184164), (10, 1092082), (19, 574780), (20, 546041), (29, 376580), (38, 287390), (58, 188290), (76, 143695), (95, 114956), (116, 94145), (145, 75316), (190, 57478), (290, 37658), (380, 28739), (551, 19820), (580, 18829), (991, 11020), (1102, 9910), (1982, 5510), (2204, 4955), (2755, 3964)]