20163547175

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{3851}}^1$

素因数の和:4104

約数の個数: 48

約数和(自身を含む): 26862923520

約数和(自身を除く): 6699376345

約数列:

[1, 5, 19, 25, 73, 95, 151, 365, 475, 755, 1387, 1825, 2869, 3775, 3851, 6935, 11023, 14345, 19255, 34675, 55115, 71725, 73169, 96275, 209437, 275575, 281123, 365845, 581501, 1047185, 1405615, 1829225, 2907505, 5235925, 5341337, 7028075, 11048519, 14537525, 26706685, 42449573, 55242595, 133533425, 212247865, 276212975, 806541887, 1061239325, 4032709435, 20163547175]

約数ペア:

[(1, 20163547175), (5, 4032709435), (19, 1061239325), (25, 806541887), (73, 276212975), (95, 212247865), (151, 133533425), (365, 55242595), (475, 42449573), (755, 26706685), (1387, 14537525), (1825, 11048519), (2869, 7028075), (3775, 5341337), (3851, 5235925), (6935, 2907505), (11023, 1829225), (14345, 1405615), (19255, 1047185), (34675, 581501), (55115, 365845), (71725, 281123), (73169, 275575), (96275, 209437)]