20703660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11131}}^1$

素因数の和:11174

約数の個数: 48

約数和(自身を含む): 59845632

約数和(自身を除く): 39141972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11131, 22262, 33393, 44524, 55655, 66786, 111310, 133572, 166965, 222620, 333930, 345061, 667860, 690122, 1035183, 1380244, 1725305, 2070366, 3450610, 4140732, 5175915, 6901220, 10351830, 20703660]

約数ペア:

[(1, 20703660), (2, 10351830), (3, 6901220), (4, 5175915), (5, 4140732), (6, 3450610), (10, 2070366), (12, 1725305), (15, 1380244), (20, 1035183), (30, 690122), (31, 667860), (60, 345061), (62, 333930), (93, 222620), (124, 166965), (155, 133572), (186, 111310), (310, 66786), (372, 55655), (465, 44524), (620, 33393), (930, 22262), (1860, 11131)]