20950188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{863}}^1$

素因数の和:911

約数の個数: 72

約数和(自身を含む): 59415552

約数和(自身を除く): 38465364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 289, 357, 476, 578, 714, 863, 867, 1156, 1428, 1726, 1734, 2023, 2589, 3452, 3468, 4046, 5178, 6041, 6069, 8092, 10356, 12082, 12138, 14671, 18123, 24164, 24276, 29342, 36246, 44013, 58684, 72492, 88026, 102697, 176052, 205394, 249407, 308091, 410788, 498814, 616182, 748221, 997628, 1232364, 1496442, 1745849, 2992884, 3491698, 5237547, 6983396, 10475094, 20950188]

約数ペア:

[(1, 20950188), (2, 10475094), (3, 6983396), (4, 5237547), (6, 3491698), (7, 2992884), (12, 1745849), (14, 1496442), (17, 1232364), (21, 997628), (28, 748221), (34, 616182), (42, 498814), (51, 410788), (68, 308091), (84, 249407), (102, 205394), (119, 176052), (204, 102697), (238, 88026), (289, 72492), (357, 58684), (476, 44013), (578, 36246), (714, 29342), (863, 24276), (867, 24164), (1156, 18123), (1428, 14671), (1726, 12138), (1734, 12082), (2023, 10356), (2589, 8092), (3452, 6069), (3468, 6041), (4046, 5178)]