20385096720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2295619}}^1$

素因数の和:2295672

約数の個数: 80

約数和(自身を含む): 64901768640

約数和(自身を除く): 44516671920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 2295619, 4591238, 6886857, 9182476, 11478095, 13773714, 18364952, 22956190, 27547428, 34434285, 36729904, 45912380, 55094856, 68868570, 84937903, 91824760, 110189712, 137737140, 169875806, 183649520, 254813709, 275474280, 339751612, 424689515, 509627418, 550948560, 679503224, 849379030, 1019254836, 1274068545, 1359006448, 1698758060, 2038509672, 2548137090, 3397516120, 4077019344, 5096274180, 6795032240, 10192548360, 20385096720]

約数ペア:

[(1, 20385096720), (2, 10192548360), (3, 6795032240), (4, 5096274180), (5, 4077019344), (6, 3397516120), (8, 2548137090), (10, 2038509672), (12, 1698758060), (15, 1359006448), (16, 1274068545), (20, 1019254836), (24, 849379030), (30, 679503224), (37, 550948560), (40, 509627418), (48, 424689515), (60, 339751612), (74, 275474280), (80, 254813709), (111, 183649520), (120, 169875806), (148, 137737140), (185, 110189712), (222, 91824760), (240, 84937903), (296, 68868570), (370, 55094856), (444, 45912380), (555, 36729904), (592, 34434285), (740, 27547428), (888, 22956190), (1110, 18364952), (1480, 13773714), (1776, 11478095), (2220, 9182476), (2960, 6886857), (4440, 4591238), (8880, 2295619)]