2020050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{67}}^2$

素因数の和:152

約数の個数: 54

約数和(自身を含む): 5509413

約数和(自身を除く): 3489363

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 67, 75, 90, 134, 150, 201, 225, 335, 402, 450, 603, 670, 1005, 1206, 1675, 2010, 3015, 3350, 4489, 5025, 6030, 8978, 10050, 13467, 15075, 22445, 26934, 30150, 40401, 44890, 67335, 80802, 112225, 134670, 202005, 224450, 336675, 404010, 673350, 1010025, 2020050]

約数ペア:

[(1, 2020050), (2, 1010025), (3, 673350), (5, 404010), (6, 336675), (9, 224450), (10, 202005), (15, 134670), (18, 112225), (25, 80802), (30, 67335), (45, 44890), (50, 40401), (67, 30150), (75, 26934), (90, 22445), (134, 15075), (150, 13467), (201, 10050), (225, 8978), (335, 6030), (402, 5025), (450, 4489), (603, 3350), (670, 3015), (1005, 2010), (1206, 1675)]