20809974660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3896999}}^1$

素因数の和:3897100

約数の個数: 48

約数和(自身を含む): 58922640000

約数和(自身を除く): 38112665340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 3896999, 7793998, 11690997, 15587996, 19484995, 23381994, 38969990, 46763988, 58454985, 77939980, 116909970, 233819940, 346832911, 693665822, 1040498733, 1387331644, 1734164555, 2080997466, 3468329110, 4161994932, 5202493665, 6936658220, 10404987330, 20809974660]

約数ペア:

[(1, 20809974660), (2, 10404987330), (3, 6936658220), (4, 5202493665), (5, 4161994932), (6, 3468329110), (10, 2080997466), (12, 1734164555), (15, 1387331644), (20, 1040498733), (30, 693665822), (60, 346832911), (89, 233819940), (178, 116909970), (267, 77939980), (356, 58454985), (445, 46763988), (534, 38969990), (890, 23381994), (1068, 19484995), (1335, 15587996), (1780, 11690997), (2670, 7793998), (5340, 3896999)]