20429256

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 54604800

約数和(自身を除く): 34175544

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 71, 76, 114, 142, 152, 213, 228, 284, 426, 456, 568, 631, 852, 1262, 1349, 1704, 1893, 2524, 2698, 3786, 4047, 5048, 5396, 7572, 8094, 10792, 11989, 15144, 16188, 23978, 32376, 35967, 44801, 47956, 71934, 89602, 95912, 134403, 143868, 179204, 268806, 287736, 358408, 537612, 851219, 1075224, 1702438, 2553657, 3404876, 5107314, 6809752, 10214628, 20429256]

約数ペア:

[(1, 20429256), (2, 10214628), (3, 6809752), (4, 5107314), (6, 3404876), (8, 2553657), (12, 1702438), (19, 1075224), (24, 851219), (38, 537612), (57, 358408), (71, 287736), (76, 268806), (114, 179204), (142, 143868), (152, 134403), (213, 95912), (228, 89602), (284, 71934), (426, 47956), (456, 44801), (568, 35967), (631, 32376), (852, 23978), (1262, 16188), (1349, 15144), (1704, 11989), (1893, 10792), (2524, 8094), (2698, 7572), (3786, 5396), (4047, 5048)]