20005229608

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{19727}}^1$

素因数の和:19959

約数の個数: 96

約数和(自身を含む): 47228832000

約数和(自身を除く): 27223602392

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 199, 364, 392, 398, 637, 728, 796, 1274, 1393, 1592, 2548, 2587, 2786, 5096, 5174, 5572, 9751, 10348, 11144, 18109, 19502, 19727, 20696, 36218, 39004, 39454, 72436, 78008, 78908, 126763, 138089, 144872, 157816, 253526, 256451, 276178, 507052, 512902, 552356, 966623, 1014104, 1025804, 1104712, 1795157, 1933246, 2051608, 3590314, 3866492, 3925673, 7180628, 7732984, 7851346, 12566099, 14361256, 15702692, 25132198, 27479711, 31405384, 50264396, 51033749, 54959422, 100528792, 102067498, 109918844, 192357977, 204134996, 219837688, 357236243, 384715954, 408269992, 714472486, 769431908, 1428944972, 1538863816, 2500653701, 2857889944, 5001307402, 10002614804, 20005229608]

約数ペア:

[(1, 20005229608), (2, 10002614804), (4, 5001307402), (7, 2857889944), (8, 2500653701), (13, 1538863816), (14, 1428944972), (26, 769431908), (28, 714472486), (49, 408269992), (52, 384715954), (56, 357236243), (91, 219837688), (98, 204134996), (104, 192357977), (182, 109918844), (196, 102067498), (199, 100528792), (364, 54959422), (392, 51033749), (398, 50264396), (637, 31405384), (728, 27479711), (796, 25132198), (1274, 15702692), (1393, 14361256), (1592, 12566099), (2548, 7851346), (2587, 7732984), (2786, 7180628), (5096, 3925673), (5174, 3866492), (5572, 3590314), (9751, 2051608), (10348, 1933246), (11144, 1795157), (18109, 1104712), (19502, 1025804), (19727, 1014104), (20696, 966623), (36218, 552356), (39004, 512902), (39454, 507052), (72436, 276178), (78008, 256451), (78908, 253526), (126763, 157816), (138089, 144872)]