20600970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{523}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 53875584

約数和(自身を除く): 33274614

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 101, 130, 195, 202, 303, 390, 505, 523, 606, 1010, 1046, 1313, 1515, 1569, 2615, 2626, 3030, 3138, 3939, 5230, 6565, 6799, 7845, 7878, 13130, 13598, 15690, 19695, 20397, 33995, 39390, 40794, 52823, 67990, 101985, 105646, 158469, 203970, 264115, 316938, 528230, 686699, 792345, 1373398, 1584690, 2060097, 3433495, 4120194, 6866990, 10300485, 20600970]

約数ペア:

[(1, 20600970), (2, 10300485), (3, 6866990), (5, 4120194), (6, 3433495), (10, 2060097), (13, 1584690), (15, 1373398), (26, 792345), (30, 686699), (39, 528230), (65, 316938), (78, 264115), (101, 203970), (130, 158469), (195, 105646), (202, 101985), (303, 67990), (390, 52823), (505, 40794), (523, 39390), (606, 33995), (1010, 20397), (1046, 19695), (1313, 15690), (1515, 13598), (1569, 13130), (2615, 7878), (2626, 7845), (3030, 6799), (3138, 6565), (3939, 5230)]