20115018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:680

約数の個数: 96

約数和(自身を含む): 56788992

約数和(自身を除く): 36673974

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 23, 33, 42, 46, 63, 66, 69, 77, 99, 126, 138, 154, 161, 198, 207, 231, 253, 322, 414, 462, 483, 506, 631, 693, 759, 966, 1262, 1386, 1449, 1518, 1771, 1893, 2277, 2898, 3542, 3786, 4417, 4554, 5313, 5679, 6941, 8834, 10626, 11358, 13251, 13882, 14513, 15939, 20823, 26502, 29026, 31878, 39753, 41646, 43539, 48587, 62469, 79506, 87078, 97174, 101591, 124938, 130617, 145761, 159643, 203182, 261234, 291522, 304773, 319286, 437283, 478929, 609546, 874566, 914319, 957858, 1117501, 1436787, 1828638, 2235002, 2873574, 3352503, 6705006, 10057509, 20115018]

約数ペア:

[(1, 20115018), (2, 10057509), (3, 6705006), (6, 3352503), (7, 2873574), (9, 2235002), (11, 1828638), (14, 1436787), (18, 1117501), (21, 957858), (22, 914319), (23, 874566), (33, 609546), (42, 478929), (46, 437283), (63, 319286), (66, 304773), (69, 291522), (77, 261234), (99, 203182), (126, 159643), (138, 145761), (154, 130617), (161, 124938), (198, 101591), (207, 97174), (231, 87078), (253, 79506), (322, 62469), (414, 48587), (462, 43539), (483, 41646), (506, 39753), (631, 31878), (693, 29026), (759, 26502), (966, 20823), (1262, 15939), (1386, 14513), (1449, 13882), (1518, 13251), (1771, 11358), (1893, 10626), (2277, 8834), (2898, 6941), (3542, 5679), (3786, 5313), (4417, 4554)]