20164339620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{171553}}^1$

素因数の和:172221

約数の個数: 72

約数和(自身を含む): 61259188536

約数和(自身を除く): 41094848916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 653, 1306, 1959, 2612, 3265, 3918, 5877, 6530, 7836, 9795, 11754, 13060, 19590, 23508, 29385, 39180, 58770, 117540, 171553, 343106, 514659, 686212, 857765, 1029318, 1543977, 1715530, 2058636, 2573295, 3087954, 3431060, 5146590, 6175908, 7719885, 10293180, 15439770, 30879540, 112024109, 224048218, 336072327, 448096436, 560120545, 672144654, 1008216981, 1120241090, 1344289308, 1680361635, 2016433962, 2240482180, 3360723270, 4032867924, 5041084905, 6721446540, 10082169810, 20164339620]

約数ペア:

[(1, 20164339620), (2, 10082169810), (3, 6721446540), (4, 5041084905), (5, 4032867924), (6, 3360723270), (9, 2240482180), (10, 2016433962), (12, 1680361635), (15, 1344289308), (18, 1120241090), (20, 1008216981), (30, 672144654), (36, 560120545), (45, 448096436), (60, 336072327), (90, 224048218), (180, 112024109), (653, 30879540), (1306, 15439770), (1959, 10293180), (2612, 7719885), (3265, 6175908), (3918, 5146590), (5877, 3431060), (6530, 3087954), (7836, 2573295), (9795, 2058636), (11754, 1715530), (13060, 1543977), (19590, 1029318), (23508, 857765), (29385, 686212), (39180, 514659), (58770, 343106), (117540, 171553)]