20329041978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1812827}}^1$

素因数の和:1812931

約数の個数: 48

約数和(自身を含む): 50904210240

約数和(自身を除く): 30575168262

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 89, 126, 178, 267, 534, 623, 801, 1246, 1602, 1869, 3738, 5607, 11214, 1812827, 3625654, 5438481, 10876962, 12689789, 16315443, 25379578, 32630886, 38069367, 76138734, 114208101, 161341603, 228416202, 322683206, 484024809, 968049618, 1129391221, 1452074427, 2258782442, 2904148854, 3388173663, 6776347326, 10164520989, 20329041978]

約数ペア:

[(1, 20329041978), (2, 10164520989), (3, 6776347326), (6, 3388173663), (7, 2904148854), (9, 2258782442), (14, 1452074427), (18, 1129391221), (21, 968049618), (42, 484024809), (63, 322683206), (89, 228416202), (126, 161341603), (178, 114208101), (267, 76138734), (534, 38069367), (623, 32630886), (801, 25379578), (1246, 16315443), (1602, 12689789), (1869, 10876962), (3738, 5438481), (5607, 3625654), (11214, 1812827)]