20023160920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3389}}^1\times {\mathrm{21101}}^1$

素因数の和:24508

約数の個数: 64

約数和(自身を含む): 51505761600

約数和(自身を除く): 31482600680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3389, 6778, 13556, 16945, 21101, 23723, 27112, 33890, 42202, 47446, 67780, 84404, 94892, 105505, 118615, 135560, 147707, 168808, 189784, 211010, 237230, 295414, 422020, 474460, 590828, 738535, 844040, 948920, 1181656, 1477070, 2954140, 5908280, 71511289, 143022578, 286045156, 357556445, 500579023, 572090312, 715112890, 1001158046, 1430225780, 2002316092, 2502895115, 2860451560, 4004632184, 5005790230, 10011580460, 20023160920]

約数ペア:

[(1, 20023160920), (2, 10011580460), (4, 5005790230), (5, 4004632184), (7, 2860451560), (8, 2502895115), (10, 2002316092), (14, 1430225780), (20, 1001158046), (28, 715112890), (35, 572090312), (40, 500579023), (56, 357556445), (70, 286045156), (140, 143022578), (280, 71511289), (3389, 5908280), (6778, 2954140), (13556, 1477070), (16945, 1181656), (21101, 948920), (23723, 844040), (27112, 738535), (33890, 590828), (42202, 474460), (47446, 422020), (67780, 295414), (84404, 237230), (94892, 211010), (105505, 189784), (118615, 168808), (135560, 147707)]