20687520984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{745013}}^1$

素因数の和:745124

約数の個数: 64

約数和(自身を含む): 56323058400

約数和(自身を除く): 35635537416

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 89, 104, 156, 178, 267, 312, 356, 534, 712, 1068, 1157, 2136, 2314, 3471, 4628, 6942, 9256, 13884, 27768, 745013, 1490026, 2235039, 2980052, 4470078, 5960104, 8940156, 9685169, 17880312, 19370338, 29055507, 38740676, 58111014, 66306157, 77481352, 116222028, 132612314, 198918471, 232444056, 265224628, 397836942, 530449256, 795673884, 861980041, 1591347768, 1723960082, 2585940123, 3447920164, 5171880246, 6895840328, 10343760492, 20687520984]

約数ペア:

[(1, 20687520984), (2, 10343760492), (3, 6895840328), (4, 5171880246), (6, 3447920164), (8, 2585940123), (12, 1723960082), (13, 1591347768), (24, 861980041), (26, 795673884), (39, 530449256), (52, 397836942), (78, 265224628), (89, 232444056), (104, 198918471), (156, 132612314), (178, 116222028), (267, 77481352), (312, 66306157), (356, 58111014), (534, 38740676), (712, 29055507), (1068, 19370338), (1157, 17880312), (2136, 9685169), (2314, 8940156), (3471, 5960104), (4628, 4470078), (6942, 2980052), (9256, 2235039), (13884, 1490026), (27768, 745013)]