20229836896

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{38839}}^1$

素因数の和:39287

約数の個数: 48

約数和(自身を含む): 40902714720

約数和(自身を除く): 20672877824

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 397, 656, 794, 1312, 1588, 3176, 6352, 12704, 16277, 32554, 38839, 65108, 77678, 130216, 155356, 260432, 310712, 520864, 621424, 1242848, 1592399, 3184798, 6369596, 12739192, 15419083, 25478384, 30838166, 50956768, 61676332, 123352664, 246705328, 493410656, 632182403, 1264364806, 2528729612, 5057459224, 10114918448, 20229836896]

約数ペア:

[(1, 20229836896), (2, 10114918448), (4, 5057459224), (8, 2528729612), (16, 1264364806), (32, 632182403), (41, 493410656), (82, 246705328), (164, 123352664), (328, 61676332), (397, 50956768), (656, 30838166), (794, 25478384), (1312, 15419083), (1588, 12739192), (3176, 6369596), (6352, 3184798), (12704, 1592399), (16277, 1242848), (32554, 621424), (38839, 520864), (65108, 310712), (77678, 260432), (130216, 155356)]