20805364300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1\times {\mathrm{1093}}^1$

素因数の和:1568

約数の個数: 144

約数和(自身を含む): 52508639232

約数和(自身を除く): 31703274932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 284, 350, 355, 383, 497, 700, 710, 766, 994, 1093, 1420, 1532, 1775, 1915, 1988, 2186, 2485, 2681, 3550, 3830, 4372, 4970, 5362, 5465, 7100, 7651, 7660, 9575, 9940, 10724, 10930, 12425, 13405, 15302, 19150, 21860, 24850, 26810, 27193, 27325, 30604, 38255, 38300, 49700, 53620, 54386, 54650, 67025, 76510, 77603, 108772, 109300, 134050, 135965, 153020, 155206, 190351, 191275, 268100, 271930, 310412, 380702, 382550, 388015, 418619, 543221, 543860, 679825, 761404, 765100, 776030, 837238, 951755, 1086442, 1359650, 1552060, 1674476, 1903510, 1940075, 2093095, 2172884, 2716105, 2719300, 2930333, 3807020, 3880150, 4186190, 4758775, 5432210, 5860666, 7760300, 8372380, 9517550, 10465475, 10864420, 11721332, 13580525, 14651665, 19035100, 20930950, 27161050, 29303330, 29721949, 41861900, 54322100, 58606660, 59443898, 73258325, 118887796, 146516650, 148609745, 208053643, 293033300, 297219490, 416107286, 594438980, 743048725, 832214572, 1040268215, 1486097450, 2080536430, 2972194900, 4161072860, 5201341075, 10402682150, 20805364300]

約数ペア:

[(1, 20805364300), (2, 10402682150), (4, 5201341075), (5, 4161072860), (7, 2972194900), (10, 2080536430), (14, 1486097450), (20, 1040268215), (25, 832214572), (28, 743048725), (35, 594438980), (50, 416107286), (70, 297219490), (71, 293033300), (100, 208053643), (140, 148609745), (142, 146516650), (175, 118887796), (284, 73258325), (350, 59443898), (355, 58606660), (383, 54322100), (497, 41861900), (700, 29721949), (710, 29303330), (766, 27161050), (994, 20930950), (1093, 19035100), (1420, 14651665), (1532, 13580525), (1775, 11721332), (1915, 10864420), (1988, 10465475), (2186, 9517550), (2485, 8372380), (2681, 7760300), (3550, 5860666), (3830, 5432210), (4372, 4758775), (4970, 4186190), (5362, 3880150), (5465, 3807020), (7100, 2930333), (7651, 2719300), (7660, 2716105), (9575, 2172884), (9940, 2093095), (10724, 1940075), (10930, 1903510), (12425, 1674476), (13405, 1552060), (15302, 1359650), (19150, 1086442), (21860, 951755), (24850, 837238), (26810, 776030), (27193, 765100), (27325, 761404), (30604, 679825), (38255, 543860), (38300, 543221), (49700, 418619), (53620, 388015), (54386, 382550), (54650, 380702), (67025, 310412), (76510, 271930), (77603, 268100), (108772, 191275), (109300, 190351), (134050, 155206), (135965, 153020)]