20746530

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{3659}}^1$

素因数の和:3685

約数の個数: 80

約数和(自身を含む): 63771840

約数和(自身を除く): 43025310

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 3659, 5670, 7318, 10977, 18295, 21954, 25613, 32931, 36590, 51226, 54885, 65862, 76839, 98793, 109770, 128065, 153678, 164655, 197586, 230517, 256130, 296379, 329310, 384195, 461034, 493965, 592758, 691551, 768390, 987930, 1152585, 1383102, 1481895, 2074653, 2305170, 2963790, 3457755, 4149306, 6915510, 10373265, 20746530]

約数ペア:

[(1, 20746530), (2, 10373265), (3, 6915510), (5, 4149306), (6, 3457755), (7, 2963790), (9, 2305170), (10, 2074653), (14, 1481895), (15, 1383102), (18, 1152585), (21, 987930), (27, 768390), (30, 691551), (35, 592758), (42, 493965), (45, 461034), (54, 384195), (63, 329310), (70, 296379), (81, 256130), (90, 230517), (105, 197586), (126, 164655), (135, 153678), (162, 128065), (189, 109770), (210, 98793), (270, 76839), (315, 65862), (378, 54885), (405, 51226), (567, 36590), (630, 32931), (810, 25613), (945, 21954), (1134, 18295), (1890, 10977), (2835, 7318), (3659, 5670)]