20932760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 50086080

約数和(自身を除く): 29153320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 373, 460, 488, 610, 746, 920, 1220, 1403, 1492, 1865, 2440, 2806, 2984, 3730, 5612, 7015, 7460, 8579, 11224, 14030, 14920, 17158, 22753, 28060, 34316, 42895, 45506, 56120, 68632, 85790, 91012, 113765, 171580, 182024, 227530, 343160, 455060, 523319, 910120, 1046638, 2093276, 2616595, 4186552, 5233190, 10466380, 20932760]

約数ペア:

[(1, 20932760), (2, 10466380), (4, 5233190), (5, 4186552), (8, 2616595), (10, 2093276), (20, 1046638), (23, 910120), (40, 523319), (46, 455060), (61, 343160), (92, 227530), (115, 182024), (122, 171580), (184, 113765), (230, 91012), (244, 85790), (305, 68632), (373, 56120), (460, 45506), (488, 42895), (610, 34316), (746, 28060), (920, 22753), (1220, 17158), (1403, 14920), (1492, 14030), (1865, 11224), (2440, 8579), (2806, 7460), (2984, 7015), (3730, 5612)]