20369484

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 54054000

約数和(自身を除く): 33684516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 109, 116, 174, 179, 218, 261, 327, 348, 358, 436, 522, 537, 654, 716, 981, 1044, 1074, 1308, 1611, 1962, 2148, 3161, 3222, 3924, 5191, 6322, 6444, 9483, 10382, 12644, 15573, 18966, 19511, 20764, 28449, 31146, 37932, 39022, 46719, 56898, 58533, 62292, 78044, 93438, 113796, 117066, 175599, 186876, 234132, 351198, 565819, 702396, 1131638, 1697457, 2263276, 3394914, 5092371, 6789828, 10184742, 20369484]

約数ペア:

[(1, 20369484), (2, 10184742), (3, 6789828), (4, 5092371), (6, 3394914), (9, 2263276), (12, 1697457), (18, 1131638), (29, 702396), (36, 565819), (58, 351198), (87, 234132), (109, 186876), (116, 175599), (174, 117066), (179, 113796), (218, 93438), (261, 78044), (327, 62292), (348, 58533), (358, 56898), (436, 46719), (522, 39022), (537, 37932), (654, 31146), (716, 28449), (981, 20764), (1044, 19511), (1074, 18966), (1308, 15573), (1611, 12644), (1962, 10382), (2148, 9483), (3161, 6444), (3222, 6322), (3924, 5191)]