20163966420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3581}}^1\times {\mathrm{7219}}^1$

素因数の和:10825

約数の個数: 96

約数和(自身を含む): 60827518080

約数和(自身を除く): 40663551660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 3581, 7162, 7219, 10743, 14324, 14438, 17905, 21486, 21657, 28876, 35810, 36095, 42972, 43314, 46553, 53715, 71620, 72190, 86628, 93106, 93847, 107430, 108285, 139659, 144380, 186212, 187694, 214860, 216570, 232765, 279318, 281541, 375388, 433140, 465530, 469235, 558636, 563082, 698295, 931060, 938470, 1126164, 1396590, 1407705, 1876940, 2793180, 2815410, 5630820, 25851239, 51702478, 77553717, 103404956, 129256195, 155107434, 258512390, 310214868, 336066107, 387768585, 517024780, 672132214, 775537170, 1008198321, 1344264428, 1551074340, 1680330535, 2016396642, 3360661070, 4032793284, 5040991605, 6721322140, 10081983210, 20163966420]

約数ペア:

[(1, 20163966420), (2, 10081983210), (3, 6721322140), (4, 5040991605), (5, 4032793284), (6, 3360661070), (10, 2016396642), (12, 1680330535), (13, 1551074340), (15, 1344264428), (20, 1008198321), (26, 775537170), (30, 672132214), (39, 517024780), (52, 387768585), (60, 336066107), (65, 310214868), (78, 258512390), (130, 155107434), (156, 129256195), (195, 103404956), (260, 77553717), (390, 51702478), (780, 25851239), (3581, 5630820), (7162, 2815410), (7219, 2793180), (10743, 1876940), (14324, 1407705), (14438, 1396590), (17905, 1126164), (21486, 938470), (21657, 931060), (28876, 698295), (35810, 563082), (36095, 558636), (42972, 469235), (43314, 465530), (46553, 433140), (53715, 375388), (71620, 281541), (72190, 279318), (86628, 232765), (93106, 216570), (93847, 214860), (107430, 187694), (108285, 186212), (139659, 144380)]