20128308975

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{19709}}^1$

素因数の和:19834

約数の個数: 96

約数和(自身を含む): 39593448000

約数和(自身を除く): 19465139025

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 89, 135, 153, 225, 255, 267, 425, 445, 459, 675, 765, 801, 1275, 1335, 1513, 2225, 2295, 2403, 3825, 4005, 4539, 6675, 7565, 11475, 12015, 13617, 19709, 20025, 22695, 37825, 40851, 59127, 60075, 68085, 98545, 113475, 177381, 204255, 295635, 335053, 340425, 492725, 532143, 886905, 1005159, 1021275, 1478175, 1675265, 1754101, 2660715, 3015477, 4434525, 5025795, 5262303, 8376325, 8770505, 9046431, 13303575, 15077385, 15786909, 25128975, 26311515, 29819717, 43852525, 45232155, 47360727, 75386925, 78934545, 89459151, 131557575, 149098585, 226160775, 236803635, 268377453, 394672725, 447295755, 745492925, 805132359, 1184018175, 1341887265, 2236478775, 4025661795, 6709436325, 20128308975]

約数ペア:

[(1, 20128308975), (3, 6709436325), (5, 4025661795), (9, 2236478775), (15, 1341887265), (17, 1184018175), (25, 805132359), (27, 745492925), (45, 447295755), (51, 394672725), (75, 268377453), (85, 236803635), (89, 226160775), (135, 149098585), (153, 131557575), (225, 89459151), (255, 78934545), (267, 75386925), (425, 47360727), (445, 45232155), (459, 43852525), (675, 29819717), (765, 26311515), (801, 25128975), (1275, 15786909), (1335, 15077385), (1513, 13303575), (2225, 9046431), (2295, 8770505), (2403, 8376325), (3825, 5262303), (4005, 5025795), (4539, 4434525), (6675, 3015477), (7565, 2660715), (11475, 1754101), (12015, 1675265), (13617, 1478175), (19709, 1021275), (20025, 1005159), (22695, 886905), (37825, 532143), (40851, 492725), (59127, 340425), (60075, 335053), (68085, 295635), (98545, 204255), (113475, 177381)]