20188416

素因数分解:

$2^8\times 3^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 54484864

約数和(自身を除く): 34296448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 97, 128, 192, 194, 256, 271, 291, 384, 388, 542, 582, 768, 776, 813, 1084, 1164, 1552, 1626, 2168, 2328, 3104, 3252, 4336, 4656, 6208, 6504, 8672, 9312, 12416, 13008, 17344, 18624, 24832, 26016, 26287, 34688, 37248, 52032, 52574, 69376, 74496, 78861, 104064, 105148, 157722, 208128, 210296, 315444, 420592, 630888, 841184, 1261776, 1682368, 2523552, 3364736, 5047104, 6729472, 10094208, 20188416]

約数ペア:

[(1, 20188416), (2, 10094208), (3, 6729472), (4, 5047104), (6, 3364736), (8, 2523552), (12, 1682368), (16, 1261776), (24, 841184), (32, 630888), (48, 420592), (64, 315444), (96, 210296), (97, 208128), (128, 157722), (192, 105148), (194, 104064), (256, 78861), (271, 74496), (291, 69376), (384, 52574), (388, 52032), (542, 37248), (582, 34688), (768, 26287), (776, 26016), (813, 24832), (1084, 18624), (1164, 17344), (1552, 13008), (1626, 12416), (2168, 9312), (2328, 8672), (3104, 6504), (3252, 6208), (4336, 4656)]