20564699076

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{227}}^1\times {\mathrm{23087}}^1$

素因数の和:23433

約数の個数: 72

約数和(自身を含む): 52693280640

約数和(自身を除く): 32128581564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 227, 327, 436, 454, 654, 681, 908, 981, 1308, 1362, 1962, 2043, 2724, 3924, 4086, 8172, 23087, 24743, 46174, 49486, 69261, 74229, 92348, 98972, 138522, 148458, 207783, 222687, 277044, 296916, 415566, 445374, 831132, 890748, 2516483, 5032966, 5240749, 7549449, 10065932, 10481498, 15098898, 15722247, 20962996, 22648347, 30197796, 31444494, 45296694, 47166741, 62888988, 90593388, 94333482, 188666964, 571241641, 1142483282, 1713724923, 2284966564, 3427449846, 5141174769, 6854899692, 10282349538, 20564699076]

約数ペア:

[(1, 20564699076), (2, 10282349538), (3, 6854899692), (4, 5141174769), (6, 3427449846), (9, 2284966564), (12, 1713724923), (18, 1142483282), (36, 571241641), (109, 188666964), (218, 94333482), (227, 90593388), (327, 62888988), (436, 47166741), (454, 45296694), (654, 31444494), (681, 30197796), (908, 22648347), (981, 20962996), (1308, 15722247), (1362, 15098898), (1962, 10481498), (2043, 10065932), (2724, 7549449), (3924, 5240749), (4086, 5032966), (8172, 2516483), (23087, 890748), (24743, 831132), (46174, 445374), (49486, 415566), (69261, 296916), (74229, 277044), (92348, 222687), (98972, 207783), (138522, 148458)]