20173671135

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{6857}}^1$

素因数の和:6958

約数の個数: 128

約数和(自身を含む): 40028774400

約数和(自身を除く): 19855103265

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 37, 45, 57, 93, 95, 111, 135, 155, 171, 185, 279, 285, 333, 465, 513, 555, 589, 703, 837, 855, 999, 1147, 1395, 1665, 1767, 2109, 2565, 2945, 3441, 3515, 4185, 4995, 5301, 5735, 6327, 6857, 8835, 10323, 10545, 15903, 17205, 18981, 20571, 21793, 26505, 30969, 31635, 34285, 51615, 61713, 65379, 79515, 94905, 102855, 108965, 130283, 154845, 185139, 196137, 212567, 253709, 308565, 326895, 390849, 588411, 637701, 651415, 761127, 925695, 980685, 1062835, 1172547, 1268545, 1913103, 1954245, 2283381, 2942055, 3188505, 3517641, 3805635, 4038773, 4820471, 5739309, 5862735, 6850143, 7864979, 9565515, 11416905, 12116319, 14461413, 17588205, 20193865, 23594937, 24102355, 28696545, 34250715, 36348957, 39324895, 43384239, 60581595, 70784811, 72307065, 109046871, 117974685, 130152717, 149434601, 181744785, 212354433, 216921195, 353924055, 448303803, 545234355, 650763585, 747173005, 1061772165, 1344911409, 2241519015, 4034734227, 6724557045, 20173671135]

約数ペア:

[(1, 20173671135), (3, 6724557045), (5, 4034734227), (9, 2241519015), (15, 1344911409), (19, 1061772165), (27, 747173005), (31, 650763585), (37, 545234355), (45, 448303803), (57, 353924055), (93, 216921195), (95, 212354433), (111, 181744785), (135, 149434601), (155, 130152717), (171, 117974685), (185, 109046871), (279, 72307065), (285, 70784811), (333, 60581595), (465, 43384239), (513, 39324895), (555, 36348957), (589, 34250715), (703, 28696545), (837, 24102355), (855, 23594937), (999, 20193865), (1147, 17588205), (1395, 14461413), (1665, 12116319), (1767, 11416905), (2109, 9565515), (2565, 7864979), (2945, 6850143), (3441, 5862735), (3515, 5739309), (4185, 4820471), (4995, 4038773), (5301, 3805635), (5735, 3517641), (6327, 3188505), (6857, 2942055), (8835, 2283381), (10323, 1954245), (10545, 1913103), (15903, 1268545), (17205, 1172547), (18981, 1062835), (20571, 980685), (21793, 925695), (26505, 761127), (30969, 651415), (31635, 637701), (34285, 588411), (51615, 390849), (61713, 326895), (65379, 308565), (79515, 253709), (94905, 212567), (102855, 196137), (108965, 185139), (130283, 154845)]