20996856148

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1\times {\mathrm{11047}}^1$

素因数の和:11440

約数の個数: 48

約数和(自身を含む): 39255753600

約数和(自身を除く): 18258897452

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 281, 356, 562, 1124, 1691, 3382, 5339, 6764, 10678, 11047, 21356, 22094, 25009, 44188, 50018, 100036, 209893, 419786, 475171, 839572, 950342, 983183, 1900684, 1966366, 3104207, 3932732, 6208414, 12416828, 18680477, 37360954, 58979933, 74721908, 117959866, 235919732, 276274423, 552548846, 1105097692, 5249214037, 10498428074, 20996856148]

約数ペア:

[(1, 20996856148), (2, 10498428074), (4, 5249214037), (19, 1105097692), (38, 552548846), (76, 276274423), (89, 235919732), (178, 117959866), (281, 74721908), (356, 58979933), (562, 37360954), (1124, 18680477), (1691, 12416828), (3382, 6208414), (5339, 3932732), (6764, 3104207), (10678, 1966366), (11047, 1900684), (21356, 983183), (22094, 950342), (25009, 839572), (44188, 475171), (50018, 419786), (100036, 209893)]