20821164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{829}}^1$

素因数の和:879

約数の個数: 96

約数和(自身を含む): 62469120

約数和(自身を除く): 41647956

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 23, 26, 28, 39, 42, 46, 52, 69, 78, 84, 91, 92, 138, 156, 161, 182, 273, 276, 299, 322, 364, 483, 546, 598, 644, 829, 897, 966, 1092, 1196, 1658, 1794, 1932, 2093, 2487, 3316, 3588, 4186, 4974, 5803, 6279, 8372, 9948, 10777, 11606, 12558, 17409, 19067, 21554, 23212, 25116, 32331, 34818, 38134, 43108, 57201, 64662, 69636, 75439, 76268, 114402, 129324, 133469, 150878, 226317, 228804, 247871, 266938, 301756, 400407, 452634, 495742, 533876, 743613, 800814, 905268, 991484, 1487226, 1601628, 1735097, 2974452, 3470194, 5205291, 6940388, 10410582, 20821164]

約数ペア:

[(1, 20821164), (2, 10410582), (3, 6940388), (4, 5205291), (6, 3470194), (7, 2974452), (12, 1735097), (13, 1601628), (14, 1487226), (21, 991484), (23, 905268), (26, 800814), (28, 743613), (39, 533876), (42, 495742), (46, 452634), (52, 400407), (69, 301756), (78, 266938), (84, 247871), (91, 228804), (92, 226317), (138, 150878), (156, 133469), (161, 129324), (182, 114402), (273, 76268), (276, 75439), (299, 69636), (322, 64662), (364, 57201), (483, 43108), (546, 38134), (598, 34818), (644, 32331), (829, 25116), (897, 23212), (966, 21554), (1092, 19067), (1196, 17409), (1658, 12558), (1794, 11606), (1932, 10777), (2093, 9948), (2487, 8372), (3316, 6279), (3588, 5803), (4186, 4974)]