20048678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{677}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 34854624

約数和(自身を除く): 14805946

約数列:

[1, 2, 13, 17, 26, 34, 67, 134, 221, 442, 677, 871, 1139, 1354, 1742, 2278, 8801, 11509, 14807, 17602, 23018, 29614, 45359, 90718, 149617, 299234, 589667, 771103, 1179334, 1542206, 10024339, 20048678]

約数ペア:

[(1, 20048678), (2, 10024339), (13, 1542206), (17, 1179334), (26, 771103), (34, 589667), (67, 299234), (134, 149617), (221, 90718), (442, 45359), (677, 29614), (871, 23018), (1139, 17602), (1354, 14807), (1742, 11509), (2278, 8801)]