20245635

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 37859328

約数和(自身を除く): 17613693

約数列:

[1, 3, 5, 9, 15, 23, 31, 45, 69, 93, 115, 155, 207, 279, 345, 465, 631, 713, 1035, 1395, 1893, 2139, 3155, 3565, 5679, 6417, 9465, 10695, 14513, 19561, 28395, 32085, 43539, 58683, 72565, 97805, 130617, 176049, 217695, 293415, 449903, 653085, 880245, 1349709, 2249515, 4049127, 6748545, 20245635]

約数ペア:

[(1, 20245635), (3, 6748545), (5, 4049127), (9, 2249515), (15, 1349709), (23, 880245), (31, 653085), (45, 449903), (69, 293415), (93, 217695), (115, 176049), (155, 130617), (207, 97805), (279, 72565), (345, 58683), (465, 43539), (631, 32085), (713, 28395), (1035, 19561), (1395, 14513), (1893, 10695), (2139, 9465), (3155, 6417), (3565, 5679)]