20376270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 56553120

約数和(自身を除く): 36176850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 37, 45, 58, 74, 87, 90, 111, 145, 174, 185, 211, 222, 261, 290, 333, 370, 422, 435, 522, 555, 633, 666, 870, 1055, 1073, 1110, 1266, 1305, 1665, 1899, 2110, 2146, 2610, 3165, 3219, 3330, 3798, 5365, 6119, 6330, 6438, 7807, 9495, 9657, 10730, 12238, 15614, 16095, 18357, 18990, 19314, 23421, 30595, 32190, 36714, 39035, 46842, 48285, 55071, 61190, 70263, 78070, 91785, 96570, 110142, 117105, 140526, 183570, 226403, 234210, 275355, 351315, 452806, 550710, 679209, 702630, 1132015, 1358418, 2037627, 2264030, 3396045, 4075254, 6792090, 10188135, 20376270]

約数ペア:

[(1, 20376270), (2, 10188135), (3, 6792090), (5, 4075254), (6, 3396045), (9, 2264030), (10, 2037627), (15, 1358418), (18, 1132015), (29, 702630), (30, 679209), (37, 550710), (45, 452806), (58, 351315), (74, 275355), (87, 234210), (90, 226403), (111, 183570), (145, 140526), (174, 117105), (185, 110142), (211, 96570), (222, 91785), (261, 78070), (290, 70263), (333, 61190), (370, 55071), (422, 48285), (435, 46842), (522, 39035), (555, 36714), (633, 32190), (666, 30595), (870, 23421), (1055, 19314), (1073, 18990), (1110, 18357), (1266, 16095), (1305, 15614), (1665, 12238), (1899, 10730), (2110, 9657), (2146, 9495), (2610, 7807), (3165, 6438), (3219, 6330), (3330, 6119), (3798, 5365)]