20338290

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:254

約数の個数: 160

約数和(自身を含む): 66489984

約数和(自身を除く): 46151694

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 34, 35, 42, 45, 51, 54, 63, 70, 81, 85, 90, 102, 105, 119, 126, 135, 153, 162, 170, 189, 210, 211, 238, 255, 270, 306, 315, 357, 378, 405, 422, 459, 510, 567, 595, 630, 633, 714, 765, 810, 918, 945, 1055, 1071, 1134, 1190, 1266, 1377, 1477, 1530, 1785, 1890, 1899, 2110, 2142, 2295, 2754, 2835, 2954, 3165, 3213, 3570, 3587, 3798, 4431, 4590, 5355, 5670, 5697, 6330, 6426, 6885, 7174, 7385, 8862, 9495, 9639, 10710, 10761, 11394, 13293, 13770, 14770, 16065, 17091, 17935, 18990, 19278, 21522, 22155, 25109, 26586, 28485, 32130, 32283, 34182, 35870, 39879, 44310, 48195, 50218, 53805, 56970, 64566, 66465, 75327, 79758, 85455, 96390, 96849, 107610, 119637, 125545, 132930, 150654, 161415, 170910, 193698, 199395, 225981, 239274, 251090, 290547, 322830, 376635, 398790, 451962, 484245, 581094, 598185, 677943, 753270, 968490, 1129905, 1196370, 1355886, 1452735, 2033829, 2259810, 2905470, 3389715, 4067658, 6779430, 10169145, 20338290]

約数ペア:

[(1, 20338290), (2, 10169145), (3, 6779430), (5, 4067658), (6, 3389715), (7, 2905470), (9, 2259810), (10, 2033829), (14, 1452735), (15, 1355886), (17, 1196370), (18, 1129905), (21, 968490), (27, 753270), (30, 677943), (34, 598185), (35, 581094), (42, 484245), (45, 451962), (51, 398790), (54, 376635), (63, 322830), (70, 290547), (81, 251090), (85, 239274), (90, 225981), (102, 199395), (105, 193698), (119, 170910), (126, 161415), (135, 150654), (153, 132930), (162, 125545), (170, 119637), (189, 107610), (210, 96849), (211, 96390), (238, 85455), (255, 79758), (270, 75327), (306, 66465), (315, 64566), (357, 56970), (378, 53805), (405, 50218), (422, 48195), (459, 44310), (510, 39879), (567, 35870), (595, 34182), (630, 32283), (633, 32130), (714, 28485), (765, 26586), (810, 25109), (918, 22155), (945, 21522), (1055, 19278), (1071, 18990), (1134, 17935), (1190, 17091), (1266, 16065), (1377, 14770), (1477, 13770), (1530, 13293), (1785, 11394), (1890, 10761), (1899, 10710), (2110, 9639), (2142, 9495), (2295, 8862), (2754, 7385), (2835, 7174), (2954, 6885), (3165, 6426), (3213, 6330), (3570, 5697), (3587, 5670), (3798, 5355), (4431, 4590)]