20165039520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{65539}}^1$

素因数の和:66198

約数の個数: 96

約数和(自身を含む): 63619940160

約数和(自身を除く): 43454900640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 641, 1282, 1923, 2564, 3205, 3846, 5128, 6410, 7692, 9615, 10256, 12820, 15384, 19230, 20512, 25640, 30768, 38460, 51280, 61536, 65539, 76920, 102560, 131078, 153840, 196617, 262156, 307680, 327695, 393234, 524312, 655390, 786468, 983085, 1048624, 1310780, 1572936, 1966170, 2097248, 2621560, 3145872, 3932340, 5243120, 6291744, 7864680, 10486240, 15729360, 31458720, 42010499, 84020998, 126031497, 168041996, 210052495, 252062994, 336083992, 420104990, 504125988, 630157485, 672167984, 840209980, 1008251976, 1260314970, 1344335968, 1680419960, 2016503952, 2520629940, 3360839920, 4033007904, 5041259880, 6721679840, 10082519760, 20165039520]

約数ペア:

[(1, 20165039520), (2, 10082519760), (3, 6721679840), (4, 5041259880), (5, 4033007904), (6, 3360839920), (8, 2520629940), (10, 2016503952), (12, 1680419960), (15, 1344335968), (16, 1260314970), (20, 1008251976), (24, 840209980), (30, 672167984), (32, 630157485), (40, 504125988), (48, 420104990), (60, 336083992), (80, 252062994), (96, 210052495), (120, 168041996), (160, 126031497), (240, 84020998), (480, 42010499), (641, 31458720), (1282, 15729360), (1923, 10486240), (2564, 7864680), (3205, 6291744), (3846, 5243120), (5128, 3932340), (6410, 3145872), (7692, 2621560), (9615, 2097248), (10256, 1966170), (12820, 1572936), (15384, 1310780), (19230, 1048624), (20512, 983085), (25640, 786468), (30768, 655390), (38460, 524312), (51280, 393234), (61536, 327695), (65539, 307680), (76920, 262156), (102560, 196617), (131078, 153840)]