20849724

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:369

約数の個数: 120

約数和(自身を含む): 64643040

約数和(自身を除く): 43793316

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 42, 54, 58, 63, 81, 84, 87, 108, 116, 126, 162, 174, 189, 203, 252, 261, 317, 324, 348, 378, 406, 522, 567, 609, 634, 756, 783, 812, 951, 1044, 1134, 1218, 1268, 1566, 1827, 1902, 2219, 2268, 2349, 2436, 2853, 3132, 3654, 3804, 4438, 4698, 5481, 5706, 6657, 7308, 8559, 8876, 9193, 9396, 10962, 11412, 13314, 16443, 17118, 18386, 19971, 21924, 25677, 26628, 27579, 32886, 34236, 36772, 39942, 51354, 55158, 59913, 64351, 65772, 79884, 82737, 102708, 110316, 119826, 128702, 165474, 179739, 193053, 239652, 248211, 257404, 330948, 359478, 386106, 496422, 579159, 718956, 744633, 772212, 992844, 1158318, 1489266, 1737477, 2316636, 2978532, 3474954, 5212431, 6949908, 10424862, 20849724]

約数ペア:

[(1, 20849724), (2, 10424862), (3, 6949908), (4, 5212431), (6, 3474954), (7, 2978532), (9, 2316636), (12, 1737477), (14, 1489266), (18, 1158318), (21, 992844), (27, 772212), (28, 744633), (29, 718956), (36, 579159), (42, 496422), (54, 386106), (58, 359478), (63, 330948), (81, 257404), (84, 248211), (87, 239652), (108, 193053), (116, 179739), (126, 165474), (162, 128702), (174, 119826), (189, 110316), (203, 102708), (252, 82737), (261, 79884), (317, 65772), (324, 64351), (348, 59913), (378, 55158), (406, 51354), (522, 39942), (567, 36772), (609, 34236), (634, 32886), (756, 27579), (783, 26628), (812, 25677), (951, 21924), (1044, 19971), (1134, 18386), (1218, 17118), (1268, 16443), (1566, 13314), (1827, 11412), (1902, 10962), (2219, 9396), (2268, 9193), (2349, 8876), (2436, 8559), (2853, 7308), (3132, 6657), (3654, 5706), (3804, 5481), (4438, 4698)]