20239860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19843}}^1$

素因数の和:19872

約数の個数: 48

約数和(自身を含む): 60008256

約数和(自身を除く): 39768396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19843, 39686, 59529, 79372, 99215, 119058, 198430, 238116, 297645, 337331, 396860, 595290, 674662, 1011993, 1190580, 1349324, 1686655, 2023986, 3373310, 4047972, 5059965, 6746620, 10119930, 20239860]

約数ペア:

[(1, 20239860), (2, 10119930), (3, 6746620), (4, 5059965), (5, 4047972), (6, 3373310), (10, 2023986), (12, 1686655), (15, 1349324), (17, 1190580), (20, 1011993), (30, 674662), (34, 595290), (51, 396860), (60, 337331), (68, 297645), (85, 238116), (102, 198430), (170, 119058), (204, 99215), (255, 79372), (340, 59529), (510, 39686), (1020, 19843)]