20790405660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{30097}}^1$

素因数の和:30535

約数の個数: 96

約数和(自身を含む): 60374180160

約数和(自身を除く): 39583774500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 397, 435, 580, 794, 870, 1191, 1588, 1740, 1985, 2382, 3970, 4764, 5955, 7940, 11513, 11910, 23026, 23820, 30097, 34539, 46052, 57565, 60194, 69078, 90291, 115130, 120388, 138156, 150485, 172695, 180582, 230260, 300970, 345390, 361164, 451455, 601940, 690780, 872813, 902910, 1745626, 1805820, 2618439, 3491252, 4364065, 5236878, 8728130, 10473756, 11948509, 13092195, 17456260, 23897018, 26184390, 35845527, 47794036, 52368780, 59742545, 71691054, 119485090, 143382108, 179227635, 238970180, 346506761, 358455270, 693013522, 716910540, 1039520283, 1386027044, 1732533805, 2079040566, 3465067610, 4158081132, 5197601415, 6930135220, 10395202830, 20790405660]

約数ペア:

[(1, 20790405660), (2, 10395202830), (3, 6930135220), (4, 5197601415), (5, 4158081132), (6, 3465067610), (10, 2079040566), (12, 1732533805), (15, 1386027044), (20, 1039520283), (29, 716910540), (30, 693013522), (58, 358455270), (60, 346506761), (87, 238970180), (116, 179227635), (145, 143382108), (174, 119485090), (290, 71691054), (348, 59742545), (397, 52368780), (435, 47794036), (580, 35845527), (794, 26184390), (870, 23897018), (1191, 17456260), (1588, 13092195), (1740, 11948509), (1985, 10473756), (2382, 8728130), (3970, 5236878), (4764, 4364065), (5955, 3491252), (7940, 2618439), (11513, 1805820), (11910, 1745626), (23026, 902910), (23820, 872813), (30097, 690780), (34539, 601940), (46052, 451455), (57565, 361164), (60194, 345390), (69078, 300970), (90291, 230260), (115130, 180582), (120388, 172695), (138156, 150485)]