20656514748

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{2459}}^1$

素因数の和:2835

約数の個数: 96

約数和(自身を含む): 50585472000

約数和(自身を除く): 29928957252

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 101, 116, 174, 202, 239, 303, 348, 404, 478, 606, 717, 956, 1212, 1434, 2459, 2868, 2929, 4918, 5858, 6931, 7377, 8787, 9836, 11716, 13862, 14754, 17574, 20793, 24139, 27724, 29508, 35148, 41586, 48278, 71311, 72417, 83172, 96556, 142622, 144834, 213933, 248359, 285244, 289668, 427866, 496718, 587701, 700031, 745077, 855732, 993436, 1175402, 1400062, 1490154, 1763103, 2100093, 2350804, 2800124, 2980308, 3526206, 4200186, 7052412, 7202411, 8400372, 14404822, 17043329, 21607233, 28809644, 34086658, 43214466, 51129987, 59357801, 68173316, 86428932, 102259974, 118715602, 178073403, 204519948, 237431204, 356146806, 712293612, 1721376229, 3442752458, 5164128687, 6885504916, 10328257374, 20656514748]

約数ペア:

[(1, 20656514748), (2, 10328257374), (3, 6885504916), (4, 5164128687), (6, 3442752458), (12, 1721376229), (29, 712293612), (58, 356146806), (87, 237431204), (101, 204519948), (116, 178073403), (174, 118715602), (202, 102259974), (239, 86428932), (303, 68173316), (348, 59357801), (404, 51129987), (478, 43214466), (606, 34086658), (717, 28809644), (956, 21607233), (1212, 17043329), (1434, 14404822), (2459, 8400372), (2868, 7202411), (2929, 7052412), (4918, 4200186), (5858, 3526206), (6931, 2980308), (7377, 2800124), (8787, 2350804), (9836, 2100093), (11716, 1763103), (13862, 1490154), (14754, 1400062), (17574, 1175402), (20793, 993436), (24139, 855732), (27724, 745077), (29508, 700031), (35148, 587701), (41586, 496718), (48278, 427866), (71311, 289668), (72417, 285244), (83172, 248359), (96556, 213933), (142622, 144834)]