20614800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:481

約数の個数: 120

約数和(自身を含む): 67808160

約数和(自身を除く): 47193360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 41, 48, 50, 60, 75, 80, 82, 100, 120, 123, 150, 164, 200, 205, 240, 246, 300, 328, 400, 410, 419, 492, 600, 615, 656, 820, 838, 984, 1025, 1200, 1230, 1257, 1640, 1676, 1968, 2050, 2095, 2460, 2514, 3075, 3280, 3352, 4100, 4190, 4920, 5028, 6150, 6285, 6704, 8200, 8380, 9840, 10056, 10475, 12300, 12570, 16400, 16760, 17179, 20112, 20950, 24600, 25140, 31425, 33520, 34358, 41900, 49200, 50280, 51537, 62850, 68716, 83800, 85895, 100560, 103074, 125700, 137432, 167600, 171790, 206148, 251400, 257685, 274864, 343580, 412296, 429475, 502800, 515370, 687160, 824592, 858950, 1030740, 1288425, 1374320, 1717900, 2061480, 2576850, 3435800, 4122960, 5153700, 6871600, 10307400, 20614800]

約数ペア:

[(1, 20614800), (2, 10307400), (3, 6871600), (4, 5153700), (5, 4122960), (6, 3435800), (8, 2576850), (10, 2061480), (12, 1717900), (15, 1374320), (16, 1288425), (20, 1030740), (24, 858950), (25, 824592), (30, 687160), (40, 515370), (41, 502800), (48, 429475), (50, 412296), (60, 343580), (75, 274864), (80, 257685), (82, 251400), (100, 206148), (120, 171790), (123, 167600), (150, 137432), (164, 125700), (200, 103074), (205, 100560), (240, 85895), (246, 83800), (300, 68716), (328, 62850), (400, 51537), (410, 50280), (419, 49200), (492, 41900), (600, 34358), (615, 33520), (656, 31425), (820, 25140), (838, 24600), (984, 20950), (1025, 20112), (1200, 17179), (1230, 16760), (1257, 16400), (1640, 12570), (1676, 12300), (1968, 10475), (2050, 10056), (2095, 9840), (2460, 8380), (2514, 8200), (3075, 6704), (3280, 6285), (3352, 6150), (4100, 5028), (4190, 4920)]