20381310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{523}}^1$

素因数の和:969

約数の個数: 48

約数和(自身を含む): 53215344

約数和(自身を除く): 32834034

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 433, 523, 866, 1046, 1299, 1569, 2165, 2598, 2615, 3138, 3897, 4330, 4707, 5230, 6495, 7794, 7845, 9414, 12990, 15690, 19485, 23535, 38970, 47070, 226459, 452918, 679377, 1132295, 1358754, 2038131, 2264590, 3396885, 4076262, 6793770, 10190655, 20381310]

約数ペア:

[(1, 20381310), (2, 10190655), (3, 6793770), (5, 4076262), (6, 3396885), (9, 2264590), (10, 2038131), (15, 1358754), (18, 1132295), (30, 679377), (45, 452918), (90, 226459), (433, 47070), (523, 38970), (866, 23535), (1046, 19485), (1299, 15690), (1569, 12990), (2165, 9414), (2598, 7845), (2615, 7794), (3138, 6495), (3897, 5230), (4330, 4707)]