20469190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 45287424

約数和(自身を除く): 24818234

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 103, 119, 167, 170, 206, 238, 334, 515, 595, 721, 835, 1030, 1169, 1190, 1442, 1670, 1751, 2338, 2839, 3502, 3605, 5678, 5845, 7210, 8755, 11690, 12257, 14195, 17201, 17510, 19873, 24514, 28390, 34402, 39746, 61285, 86005, 99365, 120407, 122570, 172010, 198730, 240814, 292417, 584834, 602035, 1204070, 1462085, 2046919, 2924170, 4093838, 10234595, 20469190]

約数ペア:

[(1, 20469190), (2, 10234595), (5, 4093838), (7, 2924170), (10, 2046919), (14, 1462085), (17, 1204070), (34, 602035), (35, 584834), (70, 292417), (85, 240814), (103, 198730), (119, 172010), (167, 122570), (170, 120407), (206, 99365), (238, 86005), (334, 61285), (515, 39746), (595, 34402), (721, 28390), (835, 24514), (1030, 19873), (1169, 17510), (1190, 17201), (1442, 14195), (1670, 12257), (1751, 11690), (2338, 8755), (2839, 7210), (3502, 5845), (3605, 5678)]