20520947330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{751}}^1\times {\mathrm{210191}}^1$

素因数の和:210962

約数の個数: 32

約数和(自身を含む): 39832224768

約数和(自身を除く): 19311277438

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 751, 1502, 3755, 7510, 9763, 19526, 48815, 97630, 210191, 420382, 1050955, 2101910, 2732483, 5464966, 13662415, 27324830, 157853441, 315706882, 789267205, 1578534410, 2052094733, 4104189466, 10260473665, 20520947330]

約数ペア:

[(1, 20520947330), (2, 10260473665), (5, 4104189466), (10, 2052094733), (13, 1578534410), (26, 789267205), (65, 315706882), (130, 157853441), (751, 27324830), (1502, 13662415), (3755, 5464966), (7510, 2732483), (9763, 2101910), (19526, 1050955), (48815, 420382), (97630, 210191)]