20721984744

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{45442949}}^1$

素因数の和:45442977

約数の個数: 32

約数和(自身を含む): 54531540000

約数和(自身を除く): 33809555256

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 45442949, 90885898, 136328847, 181771796, 272657694, 363543592, 545315388, 863416031, 1090630776, 1726832062, 2590248093, 3453664124, 5180496186, 6907328248, 10360992372, 20721984744]

約数ペア:

[(1, 20721984744), (2, 10360992372), (3, 6907328248), (4, 5180496186), (6, 3453664124), (8, 2590248093), (12, 1726832062), (19, 1090630776), (24, 863416031), (38, 545315388), (57, 363543592), (76, 272657694), (114, 181771796), (152, 136328847), (228, 90885898), (456, 45442949)]