20919312

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{2741}}^1$

素因数の和:2808

約数の個数: 60

約数和(自身を含む): 59671404

約数和(自身を除く): 38752092

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 212, 318, 424, 477, 636, 848, 954, 1272, 1908, 2544, 2741, 3816, 5482, 7632, 8223, 10964, 16446, 21928, 24669, 32892, 43856, 49338, 65784, 98676, 131568, 145273, 197352, 290546, 394704, 435819, 581092, 871638, 1162184, 1307457, 1743276, 2324368, 2614914, 3486552, 5229828, 6973104, 10459656, 20919312]

約数ペア:

[(1, 20919312), (2, 10459656), (3, 6973104), (4, 5229828), (6, 3486552), (8, 2614914), (9, 2324368), (12, 1743276), (16, 1307457), (18, 1162184), (24, 871638), (36, 581092), (48, 435819), (53, 394704), (72, 290546), (106, 197352), (144, 145273), (159, 131568), (212, 98676), (318, 65784), (424, 49338), (477, 43856), (636, 32892), (848, 24669), (954, 21928), (1272, 16446), (1908, 10964), (2544, 8223), (2741, 7632), (3816, 5482)]