20700348

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 51246720

約数和(自身を除く): 30546372

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 163, 228, 326, 489, 557, 652, 978, 1114, 1671, 1956, 2228, 3097, 3342, 6194, 6684, 9291, 10583, 12388, 18582, 21166, 31749, 37164, 42332, 63498, 90791, 126996, 181582, 272373, 363164, 544746, 1089492, 1725029, 3450058, 5175087, 6900116, 10350174, 20700348]

約数ペア:

[(1, 20700348), (2, 10350174), (3, 6900116), (4, 5175087), (6, 3450058), (12, 1725029), (19, 1089492), (38, 544746), (57, 363164), (76, 272373), (114, 181582), (163, 126996), (228, 90791), (326, 63498), (489, 42332), (557, 37164), (652, 31749), (978, 21166), (1114, 18582), (1671, 12388), (1956, 10583), (2228, 9291), (3097, 6684), (3342, 6194)]