20188649870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1\times {\mathrm{1193}}^1$

素因数の和:2001

約数の個数: 64

約数和(自身を含む): 38073507840

約数和(自身を除く): 17884857970

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 691, 790, 1193, 1382, 2386, 2449, 3455, 4898, 5965, 6910, 11930, 12245, 21421, 24490, 36983, 42842, 54589, 73966, 94247, 107105, 109178, 184915, 188494, 214210, 272945, 369830, 471235, 545890, 824363, 942470, 1648726, 1692259, 2921657, 3384518, 4121815, 5843314, 8243630, 8461295, 14608285, 16922590, 25555253, 29216570, 51110506, 65124677, 127776265, 130249354, 255552530, 325623385, 651246770, 2018864987, 4037729974, 10094324935, 20188649870]

約数ペア:

[(1, 20188649870), (2, 10094324935), (5, 4037729974), (10, 2018864987), (31, 651246770), (62, 325623385), (79, 255552530), (155, 130249354), (158, 127776265), (310, 65124677), (395, 51110506), (691, 29216570), (790, 25555253), (1193, 16922590), (1382, 14608285), (2386, 8461295), (2449, 8243630), (3455, 5843314), (4898, 4121815), (5965, 3384518), (6910, 2921657), (11930, 1692259), (12245, 1648726), (21421, 942470), (24490, 824363), (36983, 545890), (42842, 471235), (54589, 369830), (73966, 272945), (94247, 214210), (107105, 188494), (109178, 184915)]