20090400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{761}}^1$

素因数の和:795

約数の個数: 144

約数和(自身を含む): 71432928

約数和(自身を除く): 51342528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 32, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 96, 100, 110, 120, 132, 150, 160, 165, 176, 200, 220, 240, 264, 275, 300, 330, 352, 400, 440, 480, 528, 550, 600, 660, 761, 800, 825, 880, 1056, 1100, 1200, 1320, 1522, 1650, 1760, 2200, 2283, 2400, 2640, 3044, 3300, 3805, 4400, 4566, 5280, 6088, 6600, 7610, 8371, 8800, 9132, 11415, 12176, 13200, 15220, 16742, 18264, 19025, 22830, 24352, 25113, 26400, 30440, 33484, 36528, 38050, 41855, 45660, 50226, 57075, 60880, 66968, 73056, 76100, 83710, 91320, 100452, 114150, 121760, 125565, 133936, 152200, 167420, 182640, 200904, 209275, 228300, 251130, 267872, 304400, 334840, 365280, 401808, 418550, 456600, 502260, 608800, 627825, 669680, 803616, 837100, 913200, 1004520, 1255650, 1339360, 1674200, 1826400, 2009040, 2511300, 3348400, 4018080, 5022600, 6696800, 10045200, 20090400]

約数ペア:

[(1, 20090400), (2, 10045200), (3, 6696800), (4, 5022600), (5, 4018080), (6, 3348400), (8, 2511300), (10, 2009040), (11, 1826400), (12, 1674200), (15, 1339360), (16, 1255650), (20, 1004520), (22, 913200), (24, 837100), (25, 803616), (30, 669680), (32, 627825), (33, 608800), (40, 502260), (44, 456600), (48, 418550), (50, 401808), (55, 365280), (60, 334840), (66, 304400), (75, 267872), (80, 251130), (88, 228300), (96, 209275), (100, 200904), (110, 182640), (120, 167420), (132, 152200), (150, 133936), (160, 125565), (165, 121760), (176, 114150), (200, 100452), (220, 91320), (240, 83710), (264, 76100), (275, 73056), (300, 66968), (330, 60880), (352, 57075), (400, 50226), (440, 45660), (480, 41855), (528, 38050), (550, 36528), (600, 33484), (660, 30440), (761, 26400), (800, 25113), (825, 24352), (880, 22830), (1056, 19025), (1100, 18264), (1200, 16742), (1320, 15220), (1522, 13200), (1650, 12176), (1760, 11415), (2200, 9132), (2283, 8800), (2400, 8371), (2640, 7610), (3044, 6600), (3300, 6088), (3805, 5280), (4400, 4566)]