20975667840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3641609}}^1$

素因数の和:3641634

約数の個数: 96

約数和(自身を含む): 72431622900

約数和(自身を除く): 51455955060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 3641609, 7283218, 10924827, 14566436, 18208045, 21849654, 29132872, 32774481, 36416090, 43699308, 54624135, 58265744, 65548962, 72832180, 87398616, 109248270, 116531488, 131097924, 145664360, 163872405, 174797232, 218496540, 233062976, 262195848, 291328720, 327744810, 349594464, 436993080, 466125952, 524391696, 582657440, 655489620, 699188928, 873986160, 1048783392, 1165314880, 1310979240, 1398377856, 1747972320, 2097566784, 2330629760, 2621958480, 3495944640, 4195133568, 5243916960, 6991889280, 10487833920, 20975667840]

約数ペア:

[(1, 20975667840), (2, 10487833920), (3, 6991889280), (4, 5243916960), (5, 4195133568), (6, 3495944640), (8, 2621958480), (9, 2330629760), (10, 2097566784), (12, 1747972320), (15, 1398377856), (16, 1310979240), (18, 1165314880), (20, 1048783392), (24, 873986160), (30, 699188928), (32, 655489620), (36, 582657440), (40, 524391696), (45, 466125952), (48, 436993080), (60, 349594464), (64, 327744810), (72, 291328720), (80, 262195848), (90, 233062976), (96, 218496540), (120, 174797232), (128, 163872405), (144, 145664360), (160, 131097924), (180, 116531488), (192, 109248270), (240, 87398616), (288, 72832180), (320, 65548962), (360, 58265744), (384, 54624135), (480, 43699308), (576, 36416090), (640, 32774481), (720, 29132872), (960, 21849654), (1152, 18208045), (1440, 14566436), (1920, 10924827), (2880, 7283218), (5760, 3641609)]