20970306

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1913}}^1$

素因数の和:1960

約数の個数: 64

約数和(自身を含む): 55123200

約数和(自身を除く): 34152894

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 63, 87, 126, 174, 189, 203, 261, 378, 406, 522, 609, 783, 1218, 1566, 1827, 1913, 3654, 3826, 5481, 5739, 10962, 11478, 13391, 17217, 26782, 34434, 40173, 51651, 55477, 80346, 103302, 110954, 120519, 166431, 241038, 332862, 361557, 388339, 499293, 723114, 776678, 998586, 1165017, 1497879, 2330034, 2995758, 3495051, 6990102, 10485153, 20970306]

約数ペア:

[(1, 20970306), (2, 10485153), (3, 6990102), (6, 3495051), (7, 2995758), (9, 2330034), (14, 1497879), (18, 1165017), (21, 998586), (27, 776678), (29, 723114), (42, 499293), (54, 388339), (58, 361557), (63, 332862), (87, 241038), (126, 166431), (174, 120519), (189, 110954), (203, 103302), (261, 80346), (378, 55477), (406, 51651), (522, 40173), (609, 34434), (783, 26782), (1218, 17217), (1566, 13391), (1827, 11478), (1913, 10962), (3654, 5739), (3826, 5481)]