20951604

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30631}}^1$

素因数の和:30660

約数の個数: 36

約数和(自身を含む): 55750240

約数和(自身を除く): 34798636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30631, 61262, 91893, 122524, 183786, 275679, 367572, 551358, 581989, 1102716, 1163978, 1745967, 2327956, 3491934, 5237901, 6983868, 10475802, 20951604]

約数ペア:

[(1, 20951604), (2, 10475802), (3, 6983868), (4, 5237901), (6, 3491934), (9, 2327956), (12, 1745967), (18, 1163978), (19, 1102716), (36, 581989), (38, 551358), (57, 367572), (76, 275679), (114, 183786), (171, 122524), (228, 91893), (342, 61262), (684, 30631)]