20321914080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3256717}}^1$

素因数の和:3256748

約数の個数: 96

約数和(自身を含む): 68938206624

約数和(自身を除く): 48616292544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 3256717, 6513434, 9770151, 13026868, 16283585, 19540302, 26053736, 32567170, 39080604, 42337321, 48850755, 52107472, 65134340, 78161208, 84674642, 97701510, 104214944, 127011963, 130268680, 156322416, 169349284, 195403020, 211686605, 254023926, 260537360, 312644832, 338698568, 390806040, 423373210, 508047852, 521074720, 635059815, 677397136, 781612080, 846746420, 1016095704, 1270119630, 1354794272, 1563224160, 1693492840, 2032191408, 2540239260, 3386985680, 4064382816, 5080478520, 6773971360, 10160957040, 20321914080]

約数ペア:

[(1, 20321914080), (2, 10160957040), (3, 6773971360), (4, 5080478520), (5, 4064382816), (6, 3386985680), (8, 2540239260), (10, 2032191408), (12, 1693492840), (13, 1563224160), (15, 1354794272), (16, 1270119630), (20, 1016095704), (24, 846746420), (26, 781612080), (30, 677397136), (32, 635059815), (39, 521074720), (40, 508047852), (48, 423373210), (52, 390806040), (60, 338698568), (65, 312644832), (78, 260537360), (80, 254023926), (96, 211686605), (104, 195403020), (120, 169349284), (130, 156322416), (156, 130268680), (160, 127011963), (195, 104214944), (208, 97701510), (240, 84674642), (260, 78161208), (312, 65134340), (390, 52107472), (416, 48850755), (480, 42337321), (520, 39080604), (624, 32567170), (780, 26053736), (1040, 19540302), (1248, 16283585), (1560, 13026868), (2080, 9770151), (3120, 6513434), (6240, 3256717)]