20211757436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1637}}^1\times {\mathrm{13967}}^1$

素因数の和:15638

約数の個数: 48

約数和(自身を含む): 40359586176

約数和(自身を除く): 20147828740

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 1637, 3274, 6548, 13967, 21281, 27829, 27934, 42562, 55658, 55868, 85124, 111316, 181571, 237439, 361777, 363142, 474878, 723554, 726284, 949756, 1447108, 3086707, 6173414, 12346828, 22863979, 45727958, 91455916, 297231727, 388687643, 594463454, 777375286, 1188926908, 1554750572, 5052939359, 10105878718, 20211757436]

約数ペア:

[(1, 20211757436), (2, 10105878718), (4, 5052939359), (13, 1554750572), (17, 1188926908), (26, 777375286), (34, 594463454), (52, 388687643), (68, 297231727), (221, 91455916), (442, 45727958), (884, 22863979), (1637, 12346828), (3274, 6173414), (6548, 3086707), (13967, 1447108), (21281, 949756), (27829, 726284), (27934, 723554), (42562, 474878), (55658, 363142), (55868, 361777), (85124, 237439), (111316, 181571)]