20249910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3169}}^1$

素因数の和:3253

約数の個数: 48

約数和(自身を含む): 53408160

約数和(自身を除く): 33158250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3169, 3195, 6338, 6390, 9507, 15845, 19014, 28521, 31690, 47535, 57042, 95070, 142605, 224999, 285210, 449998, 674997, 1124995, 1349994, 2024991, 2249990, 3374985, 4049982, 6749970, 10124955, 20249910]

約数ペア:

[(1, 20249910), (2, 10124955), (3, 6749970), (5, 4049982), (6, 3374985), (9, 2249990), (10, 2024991), (15, 1349994), (18, 1124995), (30, 674997), (45, 449998), (71, 285210), (90, 224999), (142, 142605), (213, 95070), (355, 57042), (426, 47535), (639, 31690), (710, 28521), (1065, 19014), (1278, 15845), (2130, 9507), (3169, 6390), (3195, 6338)]