20871302403

素因数分解:

$3^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{719}}^1\times {\mathrm{1091}}^1$

素因数の和:2008

約数の個数: 48

約数和(自身を含む): 32625815040

約数和(自身を除く): 11754512637

約数列:

[1, 3, 7, 21, 49, 147, 181, 543, 719, 1091, 1267, 2157, 3273, 3801, 5033, 7637, 8869, 15099, 22911, 26607, 35231, 53459, 105693, 130139, 160377, 197471, 390417, 592413, 784429, 910973, 1382297, 2353287, 2732919, 4146891, 5491003, 6376811, 9676079, 16473009, 19130433, 29028237, 38437021, 115311063, 141981649, 425944947, 993871543, 2981614629, 6957100801, 20871302403]

約数ペア:

[(1, 20871302403), (3, 6957100801), (7, 2981614629), (21, 993871543), (49, 425944947), (147, 141981649), (181, 115311063), (543, 38437021), (719, 29028237), (1091, 19130433), (1267, 16473009), (2157, 9676079), (3273, 6376811), (3801, 5491003), (5033, 4146891), (7637, 2732919), (8869, 2353287), (15099, 1382297), (22911, 910973), (26607, 784429), (35231, 592413), (53459, 390417), (105693, 197471), (130139, 160377)]