20693730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 51787008

約数和(自身を除く): 31093278

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 103, 111, 181, 185, 206, 222, 309, 362, 370, 515, 543, 555, 618, 905, 1030, 1086, 1110, 1545, 1810, 2715, 3090, 3811, 5430, 6697, 7622, 11433, 13394, 18643, 19055, 20091, 22866, 33485, 37286, 38110, 40182, 55929, 57165, 66970, 93215, 100455, 111858, 114330, 186430, 200910, 279645, 559290, 689791, 1379582, 2069373, 3448955, 4138746, 6897910, 10346865, 20693730]

約数ペア:

[(1, 20693730), (2, 10346865), (3, 6897910), (5, 4138746), (6, 3448955), (10, 2069373), (15, 1379582), (30, 689791), (37, 559290), (74, 279645), (103, 200910), (111, 186430), (181, 114330), (185, 111858), (206, 100455), (222, 93215), (309, 66970), (362, 57165), (370, 55929), (515, 40182), (543, 38110), (555, 37286), (618, 33485), (905, 22866), (1030, 20091), (1086, 19055), (1110, 18643), (1545, 13394), (1810, 11433), (2715, 7622), (3090, 6697), (3811, 5430)]