20750340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:781

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 43600380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 37, 39, 52, 60, 65, 74, 78, 111, 130, 148, 156, 185, 195, 222, 260, 370, 390, 444, 481, 555, 719, 740, 780, 962, 1110, 1438, 1443, 1924, 2157, 2220, 2405, 2876, 2886, 3595, 4314, 4810, 5772, 7190, 7215, 8628, 9347, 9620, 10785, 14380, 14430, 18694, 21570, 26603, 28041, 28860, 37388, 43140, 46735, 53206, 56082, 79809, 93470, 106412, 112164, 133015, 140205, 159618, 186940, 266030, 280410, 319236, 345839, 399045, 532060, 560820, 691678, 798090, 1037517, 1383356, 1596180, 1729195, 2075034, 3458390, 4150068, 5187585, 6916780, 10375170, 20750340]

約数ペア:

[(1, 20750340), (2, 10375170), (3, 6916780), (4, 5187585), (5, 4150068), (6, 3458390), (10, 2075034), (12, 1729195), (13, 1596180), (15, 1383356), (20, 1037517), (26, 798090), (30, 691678), (37, 560820), (39, 532060), (52, 399045), (60, 345839), (65, 319236), (74, 280410), (78, 266030), (111, 186940), (130, 159618), (148, 140205), (156, 133015), (185, 112164), (195, 106412), (222, 93470), (260, 79809), (370, 56082), (390, 53206), (444, 46735), (481, 43140), (555, 37388), (719, 28860), (740, 28041), (780, 26603), (962, 21570), (1110, 18694), (1438, 14430), (1443, 14380), (1924, 10785), (2157, 9620), (2220, 9347), (2405, 8628), (2876, 7215), (2886, 7190), (3595, 5772), (4314, 4810)]