20932072

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 47923200

約数和(自身を除く): 26991128

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 103, 133, 152, 191, 206, 266, 382, 412, 532, 721, 764, 824, 1064, 1337, 1442, 1528, 1957, 2674, 2884, 3629, 3914, 5348, 5768, 7258, 7828, 10696, 13699, 14516, 15656, 19673, 25403, 27398, 29032, 39346, 50806, 54796, 78692, 101612, 109592, 137711, 157384, 203224, 275422, 373787, 550844, 747574, 1101688, 1495148, 2616509, 2990296, 5233018, 10466036, 20932072]

約数ペア:

[(1, 20932072), (2, 10466036), (4, 5233018), (7, 2990296), (8, 2616509), (14, 1495148), (19, 1101688), (28, 747574), (38, 550844), (56, 373787), (76, 275422), (103, 203224), (133, 157384), (152, 137711), (191, 109592), (206, 101612), (266, 78692), (382, 54796), (412, 50806), (532, 39346), (721, 29032), (764, 27398), (824, 25403), (1064, 19673), (1337, 15656), (1442, 14516), (1528, 13699), (1957, 10696), (2674, 7828), (2884, 7258), (3629, 5768), (3914, 5348)]