20996148

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{599}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 51609600

約数和(自身を除く): 30613452

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 127, 138, 254, 276, 381, 508, 599, 762, 1198, 1524, 1797, 2396, 2921, 3594, 5842, 7188, 8763, 11684, 13777, 17526, 27554, 35052, 41331, 55108, 76073, 82662, 152146, 165324, 228219, 304292, 456438, 912876, 1749679, 3499358, 5249037, 6998716, 10498074, 20996148]

約数ペア:

[(1, 20996148), (2, 10498074), (3, 6998716), (4, 5249037), (6, 3499358), (12, 1749679), (23, 912876), (46, 456438), (69, 304292), (92, 228219), (127, 165324), (138, 152146), (254, 82662), (276, 76073), (381, 55108), (508, 41331), (599, 35052), (762, 27554), (1198, 17526), (1524, 13777), (1797, 11684), (2396, 8763), (2921, 7188), (3594, 5842)]