20030930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 21026350

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 47, 85, 94, 109, 115, 170, 218, 230, 235, 391, 470, 545, 782, 799, 1081, 1090, 1598, 1853, 1955, 2162, 2507, 3706, 3910, 3995, 5014, 5123, 5405, 7990, 9265, 10246, 10810, 12535, 18377, 18530, 25070, 25615, 36754, 42619, 51230, 85238, 87091, 91885, 117829, 174182, 183770, 213095, 235658, 426190, 435455, 589145, 870910, 1178290, 2003093, 4006186, 10015465, 20030930]

約数ペア:

[(1, 20030930), (2, 10015465), (5, 4006186), (10, 2003093), (17, 1178290), (23, 870910), (34, 589145), (46, 435455), (47, 426190), (85, 235658), (94, 213095), (109, 183770), (115, 174182), (170, 117829), (218, 91885), (230, 87091), (235, 85238), (391, 51230), (470, 42619), (545, 36754), (782, 25615), (799, 25070), (1081, 18530), (1090, 18377), (1598, 12535), (1853, 10810), (1955, 10246), (2162, 9265), (2507, 7990), (3706, 5405), (3910, 5123), (3995, 5014)]