20007980020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1\times {\mathrm{13751}}^1$

素因数の和:14333

約数の個数: 96

約数和(自身を含む): 50642565120

約数和(自身を除く): 30634585100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 547, 665, 1094, 1330, 2188, 2660, 2735, 3829, 5470, 7658, 10393, 10940, 13751, 15316, 19145, 20786, 27502, 38290, 41572, 51965, 55004, 68755, 72751, 76580, 96257, 103930, 137510, 145502, 192514, 207860, 261269, 275020, 291004, 363755, 385028, 481285, 522538, 727510, 962570, 1045076, 1306345, 1455020, 1828883, 1925140, 2612690, 3657766, 5225380, 7315532, 7521797, 9144415, 15043594, 18288830, 30087188, 36577660, 37608985, 52652579, 75217970, 105305158, 142914143, 150435940, 210610316, 263262895, 285828286, 526525790, 571656572, 714570715, 1000399001, 1053051580, 1429141430, 2000798002, 2858282860, 4001596004, 5001995005, 10003990010, 20007980020]

約数ペア:

[(1, 20007980020), (2, 10003990010), (4, 5001995005), (5, 4001596004), (7, 2858282860), (10, 2000798002), (14, 1429141430), (19, 1053051580), (20, 1000399001), (28, 714570715), (35, 571656572), (38, 526525790), (70, 285828286), (76, 263262895), (95, 210610316), (133, 150435940), (140, 142914143), (190, 105305158), (266, 75217970), (380, 52652579), (532, 37608985), (547, 36577660), (665, 30087188), (1094, 18288830), (1330, 15043594), (2188, 9144415), (2660, 7521797), (2735, 7315532), (3829, 5225380), (5470, 3657766), (7658, 2612690), (10393, 1925140), (10940, 1828883), (13751, 1455020), (15316, 1306345), (19145, 1045076), (20786, 962570), (27502, 727510), (38290, 522538), (41572, 481285), (51965, 385028), (55004, 363755), (68755, 291004), (72751, 275020), (76580, 261269), (96257, 207860), (103930, 192514), (137510, 145502)]