20805600820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1733}}^1\times {\mathrm{26099}}^1$

素因数の和:27864

約数の個数: 48

約数和(自身を含む): 45619459200

約数和(自身を除く): 24813858380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 1733, 3466, 6932, 8665, 17330, 26099, 34660, 39859, 52198, 79718, 104396, 130495, 159436, 199295, 260990, 398590, 521980, 600277, 797180, 1200554, 2401108, 3001385, 6002770, 12005540, 45229567, 90459134, 180918268, 226147835, 452295670, 904591340, 1040280041, 2080560082, 4161120164, 5201400205, 10402800410, 20805600820]

約数ペア:

[(1, 20805600820), (2, 10402800410), (4, 5201400205), (5, 4161120164), (10, 2080560082), (20, 1040280041), (23, 904591340), (46, 452295670), (92, 226147835), (115, 180918268), (230, 90459134), (460, 45229567), (1733, 12005540), (3466, 6002770), (6932, 3001385), (8665, 2401108), (17330, 1200554), (26099, 797180), (34660, 600277), (39859, 521980), (52198, 398590), (79718, 260990), (104396, 199295), (130495, 159436)]