20775510

素因数分解:

$2^1\times 3^2\times 5^1\times 7^3\times {\mathrm{673}}^1$

素因数の和:707

約数の個数: 96

約数和(自身を含む): 63086400

約数和(自身を除く): 42310890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 343, 441, 490, 630, 673, 686, 735, 882, 1029, 1346, 1470, 1715, 2019, 2058, 2205, 3087, 3365, 3430, 4038, 4410, 4711, 5145, 6057, 6174, 6730, 9422, 10095, 10290, 12114, 14133, 15435, 20190, 23555, 28266, 30285, 30870, 32977, 42399, 47110, 60570, 65954, 70665, 84798, 98931, 141330, 164885, 197862, 211995, 230839, 296793, 329770, 423990, 461678, 494655, 593586, 692517, 989310, 1154195, 1385034, 1483965, 2077551, 2308390, 2967930, 3462585, 4155102, 6925170, 10387755, 20775510]

約数ペア:

[(1, 20775510), (2, 10387755), (3, 6925170), (5, 4155102), (6, 3462585), (7, 2967930), (9, 2308390), (10, 2077551), (14, 1483965), (15, 1385034), (18, 1154195), (21, 989310), (30, 692517), (35, 593586), (42, 494655), (45, 461678), (49, 423990), (63, 329770), (70, 296793), (90, 230839), (98, 211995), (105, 197862), (126, 164885), (147, 141330), (210, 98931), (245, 84798), (294, 70665), (315, 65954), (343, 60570), (441, 47110), (490, 42399), (630, 32977), (673, 30870), (686, 30285), (735, 28266), (882, 23555), (1029, 20190), (1346, 15435), (1470, 14133), (1715, 12114), (2019, 10290), (2058, 10095), (2205, 9422), (3087, 6730), (3365, 6174), (3430, 6057), (4038, 5145), (4410, 4711)]