20784294240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1006991}}^1$

素因数の和:1007052

約数の個数: 96

約数和(自身を含む): 66993163776

約数和(自身を除く): 46208869536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1032, 1290, 1376, 1720, 2064, 2580, 3440, 4128, 5160, 6880, 10320, 20640, 1006991, 2013982, 3020973, 4027964, 5034955, 6041946, 8055928, 10069910, 12083892, 15104865, 16111856, 20139820, 24167784, 30209730, 32223712, 40279640, 43300613, 48335568, 60419460, 80559280, 86601226, 96671136, 120838920, 129901839, 161118560, 173202452, 216503065, 241677840, 259803678, 346404904, 433006130, 483355680, 519607356, 649509195, 692809808, 866012260, 1039214712, 1299018390, 1385619616, 1732024520, 2078429424, 2598036780, 3464049040, 4156858848, 5196073560, 6928098080, 10392147120, 20784294240]

約数ペア:

[(1, 20784294240), (2, 10392147120), (3, 6928098080), (4, 5196073560), (5, 4156858848), (6, 3464049040), (8, 2598036780), (10, 2078429424), (12, 1732024520), (15, 1385619616), (16, 1299018390), (20, 1039214712), (24, 866012260), (30, 692809808), (32, 649509195), (40, 519607356), (43, 483355680), (48, 433006130), (60, 346404904), (80, 259803678), (86, 241677840), (96, 216503065), (120, 173202452), (129, 161118560), (160, 129901839), (172, 120838920), (215, 96671136), (240, 86601226), (258, 80559280), (344, 60419460), (430, 48335568), (480, 43300613), (516, 40279640), (645, 32223712), (688, 30209730), (860, 24167784), (1032, 20139820), (1290, 16111856), (1376, 15104865), (1720, 12083892), (2064, 10069910), (2580, 8055928), (3440, 6041946), (4128, 5034955), (5160, 4027964), (6880, 3020973), (10320, 2013982), (20640, 1006991)]