20632976

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 50663424

約数和(自身を除く): 30030448

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 52, 56, 74, 91, 104, 112, 148, 182, 208, 259, 296, 364, 383, 481, 518, 592, 728, 766, 962, 1036, 1456, 1532, 1924, 2072, 2681, 3064, 3367, 3848, 4144, 4979, 5362, 6128, 6734, 7696, 9958, 10724, 13468, 14171, 19916, 21448, 26936, 28342, 34853, 39832, 42896, 53872, 56684, 69706, 79664, 99197, 113368, 139412, 184223, 198394, 226736, 278824, 368446, 396788, 557648, 736892, 793576, 1289561, 1473784, 1587152, 2579122, 2947568, 5158244, 10316488, 20632976]

約数ペア:

[(1, 20632976), (2, 10316488), (4, 5158244), (7, 2947568), (8, 2579122), (13, 1587152), (14, 1473784), (16, 1289561), (26, 793576), (28, 736892), (37, 557648), (52, 396788), (56, 368446), (74, 278824), (91, 226736), (104, 198394), (112, 184223), (148, 139412), (182, 113368), (208, 99197), (259, 79664), (296, 69706), (364, 56684), (383, 53872), (481, 42896), (518, 39832), (592, 34853), (728, 28342), (766, 26936), (962, 21448), (1036, 19916), (1456, 14171), (1532, 13468), (1924, 10724), (2072, 9958), (2681, 7696), (3064, 6734), (3367, 6128), (3848, 5362), (4144, 4979)]