20918280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6011}}^1$

素因数の和:6054

約数の個数: 64

約数和(自身を含む): 64929600

約数和(自身を除く): 44011320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 6011, 12022, 18033, 24044, 30055, 36066, 48088, 60110, 72132, 90165, 120220, 144264, 174319, 180330, 240440, 348638, 360660, 522957, 697276, 721320, 871595, 1045914, 1394552, 1743190, 2091828, 2614785, 3486380, 4183656, 5229570, 6972760, 10459140, 20918280]

約数ペア:

[(1, 20918280), (2, 10459140), (3, 6972760), (4, 5229570), (5, 4183656), (6, 3486380), (8, 2614785), (10, 2091828), (12, 1743190), (15, 1394552), (20, 1045914), (24, 871595), (29, 721320), (30, 697276), (40, 522957), (58, 360660), (60, 348638), (87, 240440), (116, 180330), (120, 174319), (145, 144264), (174, 120220), (232, 90165), (290, 72132), (348, 60110), (435, 48088), (580, 36066), (696, 30055), (870, 24044), (1160, 18033), (1740, 12022), (3480, 6011)]