20434170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 52565760

約数和(自身を除く): 32131590

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 103, 170, 206, 255, 309, 389, 510, 515, 618, 778, 1030, 1167, 1545, 1751, 1945, 2334, 3090, 3502, 3890, 5253, 5835, 6613, 8755, 10506, 11670, 13226, 17510, 19839, 26265, 33065, 39678, 40067, 52530, 66130, 80134, 99195, 120201, 198390, 200335, 240402, 400670, 601005, 681139, 1202010, 1362278, 2043417, 3405695, 4086834, 6811390, 10217085, 20434170]

約数ペア:

[(1, 20434170), (2, 10217085), (3, 6811390), (5, 4086834), (6, 3405695), (10, 2043417), (15, 1362278), (17, 1202010), (30, 681139), (34, 601005), (51, 400670), (85, 240402), (102, 200335), (103, 198390), (170, 120201), (206, 99195), (255, 80134), (309, 66130), (389, 52530), (510, 40067), (515, 39678), (618, 33065), (778, 26265), (1030, 19839), (1167, 17510), (1545, 13226), (1751, 11670), (1945, 10506), (2334, 8755), (3090, 6613), (3502, 5835), (3890, 5253)]