20774580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2293}}^1$

素因数の和:2456

約数の個数: 48

約数和(自身を含む): 58579584

約数和(自身を除く): 37805004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 302, 453, 604, 755, 906, 1510, 1812, 2265, 2293, 3020, 4530, 4586, 6879, 9060, 9172, 11465, 13758, 22930, 27516, 34395, 45860, 68790, 137580, 346243, 692486, 1038729, 1384972, 1731215, 2077458, 3462430, 4154916, 5193645, 6924860, 10387290, 20774580]

約数ペア:

[(1, 20774580), (2, 10387290), (3, 6924860), (4, 5193645), (5, 4154916), (6, 3462430), (10, 2077458), (12, 1731215), (15, 1384972), (20, 1038729), (30, 692486), (60, 346243), (151, 137580), (302, 68790), (453, 45860), (604, 34395), (755, 27516), (906, 22930), (1510, 13758), (1812, 11465), (2265, 9172), (2293, 9060), (3020, 6879), (4530, 4586)]