20306944

素因数分解:

$2^{10}\times 7^1\times {\mathrm{2833}}^1$

素因数の和:2860

約数の個数: 44

約数和(自身を含む): 46409584

約数和(自身を除く): 26102640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2833, 3584, 5666, 7168, 11332, 19831, 22664, 39662, 45328, 79324, 90656, 158648, 181312, 317296, 362624, 634592, 725248, 1269184, 1450496, 2538368, 2900992, 5076736, 10153472, 20306944]

約数ペア:

[(1, 20306944), (2, 10153472), (4, 5076736), (7, 2900992), (8, 2538368), (14, 1450496), (16, 1269184), (28, 725248), (32, 634592), (56, 362624), (64, 317296), (112, 181312), (128, 158648), (224, 90656), (256, 79324), (448, 45328), (512, 39662), (896, 22664), (1024, 19831), (1792, 11332), (2833, 7168), (3584, 5666)]