20690366940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{186299}}^1$

素因数の和:186931

約数の個数: 72

約数和(自身を含む): 62862836400

約数和(自身を除く): 42172469460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 617, 1234, 1851, 2468, 3085, 3702, 5553, 6170, 7404, 9255, 11106, 12340, 18510, 22212, 27765, 37020, 55530, 111060, 186299, 372598, 558897, 745196, 931495, 1117794, 1676691, 1862990, 2235588, 2794485, 3353382, 3725980, 5588970, 6706764, 8383455, 11177940, 16766910, 33533820, 114946483, 229892966, 344839449, 459785932, 574732415, 689678898, 1034518347, 1149464830, 1379357796, 1724197245, 2069036694, 2298929660, 3448394490, 4138073388, 5172591735, 6896788980, 10345183470, 20690366940]

約数ペア:

[(1, 20690366940), (2, 10345183470), (3, 6896788980), (4, 5172591735), (5, 4138073388), (6, 3448394490), (9, 2298929660), (10, 2069036694), (12, 1724197245), (15, 1379357796), (18, 1149464830), (20, 1034518347), (30, 689678898), (36, 574732415), (45, 459785932), (60, 344839449), (90, 229892966), (180, 114946483), (617, 33533820), (1234, 16766910), (1851, 11177940), (2468, 8383455), (3085, 6706764), (3702, 5588970), (5553, 3725980), (6170, 3353382), (7404, 2794485), (9255, 2235588), (11106, 1862990), (12340, 1676691), (18510, 1117794), (22212, 931495), (27765, 745196), (37020, 558897), (55530, 372598), (111060, 186299)]