20244966980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1\times {\mathrm{3301}}^1$

素因数の和:4005

約数の個数: 96

約数和(自身を含む): 49367066112

約数和(自身を除く): 29122099132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 617, 710, 994, 1234, 1420, 1988, 2468, 2485, 3085, 3301, 4319, 4970, 6170, 6602, 8638, 9940, 12340, 13204, 16505, 17276, 21595, 23107, 33010, 43190, 43807, 46214, 66020, 86380, 87614, 92428, 115535, 175228, 219035, 231070, 234371, 306649, 438070, 462140, 468742, 613298, 876140, 937484, 1171855, 1226596, 1533245, 1640597, 2036717, 2343710, 3066490, 3281194, 4073434, 4687420, 6132980, 6562388, 8146868, 8202985, 10183585, 14257019, 16405970, 20367170, 28514038, 32811940, 40734340, 57028076, 71285095, 142570190, 144606907, 285140380, 289213814, 578427628, 723034535, 1012248349, 1446069070, 2024496698, 2892138140, 4048993396, 5061241745, 10122483490, 20244966980]

約数ペア:

[(1, 20244966980), (2, 10122483490), (4, 5061241745), (5, 4048993396), (7, 2892138140), (10, 2024496698), (14, 1446069070), (20, 1012248349), (28, 723034535), (35, 578427628), (70, 289213814), (71, 285140380), (140, 144606907), (142, 142570190), (284, 71285095), (355, 57028076), (497, 40734340), (617, 32811940), (710, 28514038), (994, 20367170), (1234, 16405970), (1420, 14257019), (1988, 10183585), (2468, 8202985), (2485, 8146868), (3085, 6562388), (3301, 6132980), (4319, 4687420), (4970, 4073434), (6170, 3281194), (6602, 3066490), (8638, 2343710), (9940, 2036717), (12340, 1640597), (13204, 1533245), (16505, 1226596), (17276, 1171855), (21595, 937484), (23107, 876140), (33010, 613298), (43190, 468742), (43807, 462140), (46214, 438070), (66020, 306649), (86380, 234371), (87614, 231070), (92428, 219035), (115535, 175228)]