20769780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8443}}^1$

素因数の和:8496

約数の個数: 48

約数和(自身を含む): 59580864

約数和(自身を除く): 38811084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8443, 16886, 25329, 33772, 42215, 50658, 84430, 101316, 126645, 168860, 253290, 346163, 506580, 692326, 1038489, 1384652, 1730815, 2076978, 3461630, 4153956, 5192445, 6923260, 10384890, 20769780]

約数ペア:

[(1, 20769780), (2, 10384890), (3, 6923260), (4, 5192445), (5, 4153956), (6, 3461630), (10, 2076978), (12, 1730815), (15, 1384652), (20, 1038489), (30, 692326), (41, 506580), (60, 346163), (82, 253290), (123, 168860), (164, 126645), (205, 101316), (246, 84430), (410, 50658), (492, 42215), (615, 33772), (820, 25329), (1230, 16886), (2460, 8443)]