20784312

素因数分解:

$2^3\times 3^2\times {\mathrm{127}}^1\times {\mathrm{2273}}^1$

素因数の和:2412

約数の個数: 48

約数和(自身を含む): 56759040

約数和(自身を除く): 35974728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 127, 254, 381, 508, 762, 1016, 1143, 1524, 2273, 2286, 3048, 4546, 4572, 6819, 9092, 9144, 13638, 18184, 20457, 27276, 40914, 54552, 81828, 163656, 288671, 577342, 866013, 1154684, 1732026, 2309368, 2598039, 3464052, 5196078, 6928104, 10392156, 20784312]

約数ペア:

[(1, 20784312), (2, 10392156), (3, 6928104), (4, 5196078), (6, 3464052), (8, 2598039), (9, 2309368), (12, 1732026), (18, 1154684), (24, 866013), (36, 577342), (72, 288671), (127, 163656), (254, 81828), (381, 54552), (508, 40914), (762, 27276), (1016, 20457), (1143, 18184), (1524, 13638), (2273, 9144), (2286, 9092), (3048, 6819), (4546, 4572)]