20874204

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 108

約数和(自身を含む): 59151456

約数和(自身を除く): 38277252

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 73, 78, 94, 117, 141, 146, 156, 169, 188, 219, 234, 282, 292, 338, 423, 438, 468, 507, 564, 611, 657, 676, 846, 876, 949, 1014, 1222, 1314, 1521, 1692, 1833, 1898, 2028, 2444, 2628, 2847, 3042, 3431, 3666, 3796, 5499, 5694, 6084, 6862, 7332, 7943, 8541, 10293, 10998, 11388, 12337, 13724, 15886, 17082, 20586, 21996, 23829, 24674, 30879, 31772, 34164, 37011, 41172, 44603, 47658, 49348, 61758, 71487, 74022, 89206, 95316, 111033, 123516, 133809, 142974, 148044, 178412, 222066, 267618, 285948, 401427, 444132, 535236, 579839, 802854, 1159678, 1605708, 1739517, 2319356, 3479034, 5218551, 6958068, 10437102, 20874204]

約数ペア:

[(1, 20874204), (2, 10437102), (3, 6958068), (4, 5218551), (6, 3479034), (9, 2319356), (12, 1739517), (13, 1605708), (18, 1159678), (26, 802854), (36, 579839), (39, 535236), (47, 444132), (52, 401427), (73, 285948), (78, 267618), (94, 222066), (117, 178412), (141, 148044), (146, 142974), (156, 133809), (169, 123516), (188, 111033), (219, 95316), (234, 89206), (282, 74022), (292, 71487), (338, 61758), (423, 49348), (438, 47658), (468, 44603), (507, 41172), (564, 37011), (611, 34164), (657, 31772), (676, 30879), (846, 24674), (876, 23829), (949, 21996), (1014, 20586), (1222, 17082), (1314, 15886), (1521, 13724), (1692, 12337), (1833, 11388), (1898, 10998), (2028, 10293), (2444, 8541), (2628, 7943), (2847, 7332), (3042, 6862), (3431, 6084), (3666, 5694), (3796, 5499)]