20512382943

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{12491}}^1$

素因数の和:12640

約数の個数: 48

約数和(自身を含む): 30724323840

約数和(自身を除く): 10211940897

約数列:

[1, 3, 13, 39, 41, 79, 123, 169, 237, 507, 533, 1027, 1599, 3081, 3239, 6929, 9717, 12491, 13351, 20787, 37473, 40053, 42107, 126321, 162383, 487149, 512131, 547391, 986789, 1536393, 1642173, 2110979, 2960367, 6332937, 6657703, 12828257, 19973109, 38484771, 40458349, 86550139, 121375047, 166767341, 259650417, 500302023, 525958537, 1577875611, 6837460981, 20512382943]

約数ペア:

[(1, 20512382943), (3, 6837460981), (13, 1577875611), (39, 525958537), (41, 500302023), (79, 259650417), (123, 166767341), (169, 121375047), (237, 86550139), (507, 40458349), (533, 38484771), (1027, 19973109), (1599, 12828257), (3081, 6657703), (3239, 6332937), (6929, 2960367), (9717, 2110979), (12491, 1642173), (13351, 1536393), (20787, 986789), (37473, 547391), (40053, 512131), (42107, 487149), (126321, 162383)]