20868300

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 144

約数和(自身を含む): 68745600

約数和(自身を除く): 47877300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 59, 60, 75, 90, 100, 108, 118, 131, 135, 150, 177, 180, 225, 236, 262, 270, 295, 300, 354, 393, 450, 524, 531, 540, 590, 655, 675, 708, 786, 885, 900, 1062, 1179, 1180, 1310, 1350, 1475, 1572, 1593, 1770, 1965, 2124, 2358, 2620, 2655, 2700, 2950, 3186, 3275, 3537, 3540, 3930, 4425, 4716, 5310, 5895, 5900, 6372, 6550, 7074, 7729, 7860, 7965, 8850, 9825, 10620, 11790, 13100, 13275, 14148, 15458, 15930, 17685, 17700, 19650, 23187, 23580, 26550, 29475, 30916, 31860, 35370, 38645, 39300, 39825, 46374, 53100, 58950, 69561, 70740, 77290, 79650, 88425, 92748, 115935, 117900, 139122, 154580, 159300, 176850, 193225, 208683, 231870, 278244, 347805, 353700, 386450, 417366, 463740, 579675, 695610, 772900, 834732, 1043415, 1159350, 1391220, 1739025, 2086830, 2318700, 3478050, 4173660, 5217075, 6956100, 10434150, 20868300]

約数ペア:

[(1, 20868300), (2, 10434150), (3, 6956100), (4, 5217075), (5, 4173660), (6, 3478050), (9, 2318700), (10, 2086830), (12, 1739025), (15, 1391220), (18, 1159350), (20, 1043415), (25, 834732), (27, 772900), (30, 695610), (36, 579675), (45, 463740), (50, 417366), (54, 386450), (59, 353700), (60, 347805), (75, 278244), (90, 231870), (100, 208683), (108, 193225), (118, 176850), (131, 159300), (135, 154580), (150, 139122), (177, 117900), (180, 115935), (225, 92748), (236, 88425), (262, 79650), (270, 77290), (295, 70740), (300, 69561), (354, 58950), (393, 53100), (450, 46374), (524, 39825), (531, 39300), (540, 38645), (590, 35370), (655, 31860), (675, 30916), (708, 29475), (786, 26550), (885, 23580), (900, 23187), (1062, 19650), (1179, 17700), (1180, 17685), (1310, 15930), (1350, 15458), (1475, 14148), (1572, 13275), (1593, 13100), (1770, 11790), (1965, 10620), (2124, 9825), (2358, 8850), (2620, 7965), (2655, 7860), (2700, 7729), (2950, 7074), (3186, 6550), (3275, 6372), (3537, 5900), (3540, 5895), (3930, 5310), (4425, 4716)]