20188091440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22941013}}^1$

素因数の和:22941037

約数の個数: 40

約数和(自身を含む): 51204343248

約数和(自身を除く): 31016251808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22941013, 45882026, 91764052, 114705065, 183528104, 229410130, 252351143, 367056208, 458820260, 504702286, 917640520, 1009404572, 1261755715, 1835281040, 2018809144, 2523511430, 4037618288, 5047022860, 10094045720, 20188091440]

約数ペア:

[(1, 20188091440), (2, 10094045720), (4, 5047022860), (5, 4037618288), (8, 2523511430), (10, 2018809144), (11, 1835281040), (16, 1261755715), (20, 1009404572), (22, 917640520), (40, 504702286), (44, 458820260), (55, 367056208), (80, 252351143), (88, 229410130), (110, 183528104), (176, 114705065), (220, 91764052), (440, 45882026), (880, 22941013)]