20163926536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1\times {\mathrm{5101}}^1$

素因数の和:5510

約数の個数: 64

約数和(自身を含む): 41142528000

約数和(自身を除く): 20978601464

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191, 199, 382, 398, 764, 796, 1528, 1592, 2483, 2587, 4966, 5101, 5174, 9932, 10202, 10348, 19864, 20404, 20696, 38009, 40808, 66313, 76018, 132626, 152036, 265252, 304072, 494117, 530504, 974291, 988234, 1015099, 1948582, 1976468, 2030198, 3897164, 3952936, 4060396, 7794328, 8120792, 12665783, 13196287, 25331566, 26392574, 50663132, 52785148, 101326264, 105570296, 193883909, 387767818, 775535636, 1551071272, 2520490817, 5040981634, 10081963268, 20163926536]

約数ペア:

[(1, 20163926536), (2, 10081963268), (4, 5040981634), (8, 2520490817), (13, 1551071272), (26, 775535636), (52, 387767818), (104, 193883909), (191, 105570296), (199, 101326264), (382, 52785148), (398, 50663132), (764, 26392574), (796, 25331566), (1528, 13196287), (1592, 12665783), (2483, 8120792), (2587, 7794328), (4966, 4060396), (5101, 3952936), (5174, 3897164), (9932, 2030198), (10202, 1976468), (10348, 1948582), (19864, 1015099), (20404, 988234), (20696, 974291), (38009, 530504), (40808, 494117), (66313, 304072), (76018, 265252), (132626, 152036)]