17103678820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{911}}^1\times {\mathrm{19973}}^1$

素因数の和:20940

約数の個数: 48

約数和(自身を含む): 36724036608

約数和(自身を除く): 19620357788

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 911, 940, 1822, 3644, 4555, 9110, 18220, 19973, 39946, 42817, 79892, 85634, 99865, 171268, 199730, 214085, 399460, 428170, 856340, 938731, 1877462, 3754924, 4693655, 9387310, 18195403, 18774620, 36390806, 72781612, 90977015, 181954030, 363908060, 855183941, 1710367882, 3420735764, 4275919705, 8551839410, 17103678820]

約数ペア:

[(1, 17103678820), (2, 8551839410), (4, 4275919705), (5, 3420735764), (10, 1710367882), (20, 855183941), (47, 363908060), (94, 181954030), (188, 90977015), (235, 72781612), (470, 36390806), (911, 18774620), (940, 18195403), (1822, 9387310), (3644, 4693655), (4555, 3754924), (9110, 1877462), (18220, 938731), (19973, 856340), (39946, 428170), (42817, 399460), (79892, 214085), (85634, 199730), (99865, 171268)]