20003580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5849}}^1$

素因数の和:5883

約数の個数: 72

約数和(自身を含む): 63882000

約数和(自身を除く): 43878420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5849, 11698, 17547, 23396, 29245, 35094, 52641, 58490, 70188, 87735, 105282, 111131, 116980, 175470, 210564, 222262, 263205, 333393, 350940, 444524, 526410, 555655, 666786, 1000179, 1052820, 1111310, 1333572, 1666965, 2000358, 2222620, 3333930, 4000716, 5000895, 6667860, 10001790, 20003580]

約数ペア:

[(1, 20003580), (2, 10001790), (3, 6667860), (4, 5000895), (5, 4000716), (6, 3333930), (9, 2222620), (10, 2000358), (12, 1666965), (15, 1333572), (18, 1111310), (19, 1052820), (20, 1000179), (30, 666786), (36, 555655), (38, 526410), (45, 444524), (57, 350940), (60, 333393), (76, 263205), (90, 222262), (95, 210564), (114, 175470), (171, 116980), (180, 111131), (190, 105282), (228, 87735), (285, 70188), (342, 58490), (380, 52641), (570, 35094), (684, 29245), (855, 23396), (1140, 17547), (1710, 11698), (3420, 5849)]