20608518

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{367}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 48328704

約数和(自身を除く): 27720186

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 191, 294, 367, 382, 573, 734, 1101, 1146, 1337, 2202, 2569, 2674, 4011, 5138, 7707, 8022, 9359, 15414, 17983, 18718, 28077, 35966, 53949, 56154, 70097, 107898, 140194, 210291, 420582, 490679, 981358, 1472037, 2944074, 3434753, 6869506, 10304259, 20608518]

約数ペア:

[(1, 20608518), (2, 10304259), (3, 6869506), (6, 3434753), (7, 2944074), (14, 1472037), (21, 981358), (42, 490679), (49, 420582), (98, 210291), (147, 140194), (191, 107898), (294, 70097), (367, 56154), (382, 53949), (573, 35966), (734, 28077), (1101, 18718), (1146, 17983), (1337, 15414), (2202, 9359), (2569, 8022), (2674, 7707), (4011, 5138)]