20535540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5801}}^1$

素因数の和:5872

約数の個数: 48

約数和(自身を含む): 58484160

約数和(自身を除く): 37948620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 5801, 11602, 17403, 23204, 29005, 34806, 58010, 69612, 87015, 116020, 174030, 342259, 348060, 684518, 1026777, 1369036, 1711295, 2053554, 3422590, 4107108, 5133885, 6845180, 10267770, 20535540]

約数ペア:

[(1, 20535540), (2, 10267770), (3, 6845180), (4, 5133885), (5, 4107108), (6, 3422590), (10, 2053554), (12, 1711295), (15, 1369036), (20, 1026777), (30, 684518), (59, 348060), (60, 342259), (118, 174030), (177, 116020), (236, 87015), (295, 69612), (354, 58010), (590, 34806), (708, 29005), (885, 23204), (1180, 17403), (1770, 11602), (3540, 5801)]