20166496

素因数分解:

$2^5\times 7^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:671

約数の個数: 48

約数和(自身を含む): 45704736

約数和(自身を除く): 25538240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 197, 224, 394, 457, 788, 914, 1379, 1576, 1828, 2758, 3152, 3199, 3656, 5516, 6304, 6398, 7312, 11032, 12796, 14624, 22064, 25592, 44128, 51184, 90029, 102368, 180058, 360116, 630203, 720232, 1260406, 1440464, 2520812, 2880928, 5041624, 10083248, 20166496]

約数ペア:

[(1, 20166496), (2, 10083248), (4, 5041624), (7, 2880928), (8, 2520812), (14, 1440464), (16, 1260406), (28, 720232), (32, 630203), (56, 360116), (112, 180058), (197, 102368), (224, 90029), (394, 51184), (457, 44128), (788, 25592), (914, 22064), (1379, 14624), (1576, 12796), (1828, 11032), (2758, 7312), (3152, 6398), (3199, 6304), (3656, 5516)]