20173877865

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{941}}^1$

素因数の和:1195

約数の個数: 96

約数和(自身を含む): 36423522720

約数和(自身を除く): 16249644855

約数列:

[1, 3, 5, 9, 15, 45, 53, 89, 101, 159, 265, 267, 303, 445, 477, 505, 795, 801, 909, 941, 1335, 1515, 2385, 2823, 4005, 4545, 4705, 4717, 5353, 8469, 8989, 14115, 14151, 16059, 23585, 26765, 26967, 42345, 42453, 44945, 48177, 49873, 70755, 80295, 80901, 83749, 95041, 134835, 149619, 212265, 240885, 249365, 251247, 285123, 404505, 418745, 448857, 475205, 476417, 748095, 753741, 855369, 1256235, 1425615, 1429251, 2244285, 2382085, 3768705, 4276845, 4287753, 4438697, 5037173, 7146255, 8458649, 13316091, 15111519, 21438765, 22193485, 25185865, 25375947, 39948273, 42293245, 45334557, 66580455, 75557595, 76127841, 126879735, 199741365, 226672785, 380639205, 448308397, 1344925191, 2241541985, 4034775573, 6724625955, 20173877865]

約数ペア:

[(1, 20173877865), (3, 6724625955), (5, 4034775573), (9, 2241541985), (15, 1344925191), (45, 448308397), (53, 380639205), (89, 226672785), (101, 199741365), (159, 126879735), (265, 76127841), (267, 75557595), (303, 66580455), (445, 45334557), (477, 42293245), (505, 39948273), (795, 25375947), (801, 25185865), (909, 22193485), (941, 21438765), (1335, 15111519), (1515, 13316091), (2385, 8458649), (2823, 7146255), (4005, 5037173), (4545, 4438697), (4705, 4287753), (4717, 4276845), (5353, 3768705), (8469, 2382085), (8989, 2244285), (14115, 1429251), (14151, 1425615), (16059, 1256235), (23585, 855369), (26765, 753741), (26967, 748095), (42345, 476417), (42453, 475205), (44945, 448857), (48177, 418745), (49873, 404505), (70755, 285123), (80295, 251247), (80901, 249365), (83749, 240885), (95041, 212265), (134835, 149619)]