20481744

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 55121472

約数和(自身を除く): 34639728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 83, 97, 106, 159, 166, 194, 212, 249, 291, 318, 332, 388, 424, 498, 582, 636, 664, 776, 848, 996, 1164, 1272, 1328, 1552, 1992, 2328, 2544, 3984, 4399, 4656, 5141, 8051, 8798, 10282, 13197, 15423, 16102, 17596, 20564, 24153, 26394, 30846, 32204, 35192, 41128, 48306, 52788, 61692, 64408, 70384, 82256, 96612, 105576, 123384, 128816, 193224, 211152, 246768, 386448, 426703, 853406, 1280109, 1706812, 2560218, 3413624, 5120436, 6827248, 10240872, 20481744]

約数ペア:

[(1, 20481744), (2, 10240872), (3, 6827248), (4, 5120436), (6, 3413624), (8, 2560218), (12, 1706812), (16, 1280109), (24, 853406), (48, 426703), (53, 386448), (83, 246768), (97, 211152), (106, 193224), (159, 128816), (166, 123384), (194, 105576), (212, 96612), (249, 82256), (291, 70384), (318, 64408), (332, 61692), (388, 52788), (424, 48306), (498, 41128), (582, 35192), (636, 32204), (664, 30846), (776, 26394), (848, 24153), (996, 20564), (1164, 17596), (1272, 16102), (1328, 15423), (1552, 13197), (1992, 10282), (2328, 8798), (2544, 8051), (3984, 5141), (4399, 4656)]