20271970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1663}}^1$

素因数の和:1746

約数の個数: 32

約数和(自身を含む): 38817792

約数和(自身を除く): 18545822

約数列:

[1, 2, 5, 10, 23, 46, 53, 106, 115, 230, 265, 530, 1219, 1663, 2438, 3326, 6095, 8315, 12190, 16630, 38249, 76498, 88139, 176278, 191245, 382490, 440695, 881390, 2027197, 4054394, 10135985, 20271970]

約数ペア:

[(1, 20271970), (2, 10135985), (5, 4054394), (10, 2027197), (23, 881390), (46, 440695), (53, 382490), (106, 191245), (115, 176278), (230, 88139), (265, 76498), (530, 38249), (1219, 16630), (1663, 12190), (2438, 8315), (3326, 6095)]