20081932

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:578

約数の個数: 36

約数和(自身を含む): 38757936

約数和(自身を除く): 18676004

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 169, 244, 338, 487, 676, 793, 974, 1586, 1948, 3172, 6331, 10309, 12662, 20618, 25324, 29707, 41236, 59414, 82303, 118828, 164606, 329212, 386191, 772382, 1544764, 5020483, 10040966, 20081932]

約数ペア:

[(1, 20081932), (2, 10040966), (4, 5020483), (13, 1544764), (26, 772382), (52, 386191), (61, 329212), (122, 164606), (169, 118828), (244, 82303), (338, 59414), (487, 41236), (676, 29707), (793, 25324), (974, 20618), (1586, 12662), (1948, 10309), (3172, 6331)]