20710830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 58917024

約数和(自身を除く): 38206194

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 73, 98, 105, 146, 147, 193, 210, 219, 245, 294, 365, 386, 438, 490, 511, 579, 730, 735, 965, 1022, 1095, 1158, 1351, 1470, 1533, 1930, 2190, 2555, 2702, 2895, 3066, 3577, 4053, 5110, 5790, 6755, 7154, 7665, 8106, 9457, 10731, 13510, 14089, 15330, 17885, 18914, 20265, 21462, 28178, 28371, 35770, 40530, 42267, 47285, 53655, 56742, 70445, 84534, 94570, 98623, 107310, 140890, 141855, 197246, 211335, 283710, 295869, 422670, 493115, 591738, 690361, 986230, 1380722, 1479345, 2071083, 2958690, 3451805, 4142166, 6903610, 10355415, 20710830]

約数ペア:

[(1, 20710830), (2, 10355415), (3, 6903610), (5, 4142166), (6, 3451805), (7, 2958690), (10, 2071083), (14, 1479345), (15, 1380722), (21, 986230), (30, 690361), (35, 591738), (42, 493115), (49, 422670), (70, 295869), (73, 283710), (98, 211335), (105, 197246), (146, 141855), (147, 140890), (193, 107310), (210, 98623), (219, 94570), (245, 84534), (294, 70445), (365, 56742), (386, 53655), (438, 47285), (490, 42267), (511, 40530), (579, 35770), (730, 28371), (735, 28178), (965, 21462), (1022, 20265), (1095, 18914), (1158, 17885), (1351, 15330), (1470, 14089), (1533, 13510), (1930, 10731), (2190, 9457), (2555, 8106), (2702, 7665), (2895, 7154), (3066, 6755), (3577, 5790), (4053, 5110)]