20037424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 46309536

約数和(自身を除く): 26272112

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 37, 44, 68, 74, 88, 136, 148, 176, 181, 187, 272, 296, 362, 374, 407, 592, 629, 724, 748, 814, 1258, 1448, 1496, 1628, 1991, 2516, 2896, 2992, 3077, 3256, 3982, 5032, 6154, 6512, 6697, 6919, 7964, 10064, 12308, 13394, 13838, 15928, 24616, 26788, 27676, 31856, 33847, 49232, 53576, 55352, 67694, 73667, 107152, 110704, 113849, 135388, 147334, 227698, 270776, 294668, 455396, 541552, 589336, 910792, 1178672, 1252339, 1821584, 2504678, 5009356, 10018712, 20037424]

約数ペア:

[(1, 20037424), (2, 10018712), (4, 5009356), (8, 2504678), (11, 1821584), (16, 1252339), (17, 1178672), (22, 910792), (34, 589336), (37, 541552), (44, 455396), (68, 294668), (74, 270776), (88, 227698), (136, 147334), (148, 135388), (176, 113849), (181, 110704), (187, 107152), (272, 73667), (296, 67694), (362, 55352), (374, 53576), (407, 49232), (592, 33847), (629, 31856), (724, 27676), (748, 26788), (814, 24616), (1258, 15928), (1448, 13838), (1496, 13394), (1628, 12308), (1991, 10064), (2516, 7964), (2896, 6919), (2992, 6697), (3077, 6512), (3256, 6154), (3982, 5032)]