20184936720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6469531}}^1$

素因数の和:6469560

約数の個数: 80

約数和(自身を含む): 67386645312

約数和(自身を除く): 47201708592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6469531, 12939062, 19408593, 25878124, 32347655, 38817186, 51756248, 64695310, 77634372, 84103903, 97042965, 103512496, 129390620, 155268744, 168207806, 194085930, 252311709, 258781240, 310537488, 336415612, 388171860, 420519515, 504623418, 517562480, 672831224, 776343720, 841039030, 1009246836, 1261558545, 1345662448, 1552687440, 1682078060, 2018493672, 2523117090, 3364156120, 4036987344, 5046234180, 6728312240, 10092468360, 20184936720]

約数ペア:

[(1, 20184936720), (2, 10092468360), (3, 6728312240), (4, 5046234180), (5, 4036987344), (6, 3364156120), (8, 2523117090), (10, 2018493672), (12, 1682078060), (13, 1552687440), (15, 1345662448), (16, 1261558545), (20, 1009246836), (24, 841039030), (26, 776343720), (30, 672831224), (39, 517562480), (40, 504623418), (48, 420519515), (52, 388171860), (60, 336415612), (65, 310537488), (78, 258781240), (80, 252311709), (104, 194085930), (120, 168207806), (130, 155268744), (156, 129390620), (195, 103512496), (208, 97042965), (240, 84103903), (260, 77634372), (312, 64695310), (390, 51756248), (520, 38817186), (624, 32347655), (780, 25878124), (1040, 19408593), (1560, 12939062), (3120, 6469531)]