20436912

素因数分解:

$2^4\times 3^2\times {\mathrm{347}}^1\times {\mathrm{409}}^1$

素因数の和:770

約数の個数: 60

約数和(自身を含む): 57500040

約数和(自身を除く): 37063128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 347, 409, 694, 818, 1041, 1227, 1388, 1636, 2082, 2454, 2776, 3123, 3272, 3681, 4164, 4908, 5552, 6246, 6544, 7362, 8328, 9816, 12492, 14724, 16656, 19632, 24984, 29448, 49968, 58896, 141923, 283846, 425769, 567692, 851538, 1135384, 1277307, 1703076, 2270768, 2554614, 3406152, 5109228, 6812304, 10218456, 20436912]

約数ペア:

[(1, 20436912), (2, 10218456), (3, 6812304), (4, 5109228), (6, 3406152), (8, 2554614), (9, 2270768), (12, 1703076), (16, 1277307), (18, 1135384), (24, 851538), (36, 567692), (48, 425769), (72, 283846), (144, 141923), (347, 58896), (409, 49968), (694, 29448), (818, 24984), (1041, 19632), (1227, 16656), (1388, 14724), (1636, 12492), (2082, 9816), (2454, 8328), (2776, 7362), (3123, 6544), (3272, 6246), (3681, 5552), (4164, 4908)]