20783588

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{929}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 24213532

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 47, 68, 94, 119, 188, 238, 329, 476, 658, 799, 929, 1316, 1598, 1858, 3196, 3716, 5593, 6503, 11186, 13006, 15793, 22372, 26012, 31586, 43663, 63172, 87326, 110551, 174652, 221102, 305641, 442204, 611282, 742271, 1222564, 1484542, 2969084, 5195897, 10391794, 20783588]

約数ペア:

[(1, 20783588), (2, 10391794), (4, 5195897), (7, 2969084), (14, 1484542), (17, 1222564), (28, 742271), (34, 611282), (47, 442204), (68, 305641), (94, 221102), (119, 174652), (188, 110551), (238, 87326), (329, 63172), (476, 43663), (658, 31586), (799, 26012), (929, 22372), (1316, 15793), (1598, 13006), (1858, 11186), (3196, 6503), (3716, 5593)]