20440290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3083}}^1$

素因数の和:3123

約数の個数: 64

約数和(自身を含む): 55956096

約数和(自身を除く): 35515806

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3083, 3315, 6166, 6630, 9249, 15415, 18498, 30830, 40079, 46245, 52411, 80158, 92490, 104822, 120237, 157233, 200395, 240474, 262055, 314466, 400790, 524110, 601185, 681343, 786165, 1202370, 1362686, 1572330, 2044029, 3406715, 4088058, 6813430, 10220145, 20440290]

約数ペア:

[(1, 20440290), (2, 10220145), (3, 6813430), (5, 4088058), (6, 3406715), (10, 2044029), (13, 1572330), (15, 1362686), (17, 1202370), (26, 786165), (30, 681343), (34, 601185), (39, 524110), (51, 400790), (65, 314466), (78, 262055), (85, 240474), (102, 200395), (130, 157233), (170, 120237), (195, 104822), (221, 92490), (255, 80158), (390, 52411), (442, 46245), (510, 40079), (663, 30830), (1105, 18498), (1326, 15415), (2210, 9249), (3083, 6630), (3315, 6166)]