20887552

素因数分解:

$2^{11}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 96

約数和(自身を含む): 50319360

約数和(自身を除く): 29431808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 47, 56, 62, 64, 94, 112, 124, 128, 188, 217, 224, 248, 256, 329, 376, 434, 448, 496, 512, 658, 752, 868, 896, 992, 1024, 1316, 1457, 1504, 1736, 1792, 1984, 2048, 2632, 2914, 3008, 3472, 3584, 3968, 5264, 5828, 6016, 6944, 7168, 7936, 10199, 10528, 11656, 12032, 13888, 14336, 15872, 20398, 21056, 23312, 24064, 27776, 31744, 40796, 42112, 46624, 48128, 55552, 63488, 81592, 84224, 93248, 96256, 111104, 163184, 168448, 186496, 222208, 326368, 336896, 372992, 444416, 652736, 673792, 745984, 1305472, 1491968, 2610944, 2983936, 5221888, 10443776, 20887552]

約数ペア:

[(1, 20887552), (2, 10443776), (4, 5221888), (7, 2983936), (8, 2610944), (14, 1491968), (16, 1305472), (28, 745984), (31, 673792), (32, 652736), (47, 444416), (56, 372992), (62, 336896), (64, 326368), (94, 222208), (112, 186496), (124, 168448), (128, 163184), (188, 111104), (217, 96256), (224, 93248), (248, 84224), (256, 81592), (329, 63488), (376, 55552), (434, 48128), (448, 46624), (496, 42112), (512, 40796), (658, 31744), (752, 27776), (868, 24064), (896, 23312), (992, 21056), (1024, 20398), (1316, 15872), (1457, 14336), (1504, 13888), (1736, 12032), (1792, 11656), (1984, 10528), (2048, 10199), (2632, 7936), (2914, 7168), (3008, 6944), (3472, 6016), (3584, 5828), (3968, 5264)]