20057790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 51819264

約数和(自身を除く): 31761474

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 67, 85, 102, 134, 170, 201, 255, 335, 402, 510, 587, 670, 1005, 1139, 1174, 1761, 2010, 2278, 2935, 3417, 3522, 5695, 5870, 6834, 8805, 9979, 11390, 17085, 17610, 19958, 29937, 34170, 39329, 49895, 59874, 78658, 99790, 117987, 149685, 196645, 235974, 299370, 393290, 589935, 668593, 1179870, 1337186, 2005779, 3342965, 4011558, 6685930, 10028895, 20057790]

約数ペア:

[(1, 20057790), (2, 10028895), (3, 6685930), (5, 4011558), (6, 3342965), (10, 2005779), (15, 1337186), (17, 1179870), (30, 668593), (34, 589935), (51, 393290), (67, 299370), (85, 235974), (102, 196645), (134, 149685), (170, 117987), (201, 99790), (255, 78658), (335, 59874), (402, 49895), (510, 39329), (587, 34170), (670, 29937), (1005, 19958), (1139, 17610), (1174, 17085), (1761, 11390), (2010, 9979), (2278, 8805), (2935, 6834), (3417, 5870), (3522, 5695)]