20736288

素因数分解:

$2^5\times 3^2\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:914

約数の個数: 72

約数和(自身を含む): 59705100

約数和(自身を除く): 38968812

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 89, 96, 144, 178, 267, 288, 356, 534, 712, 801, 809, 1068, 1424, 1602, 1618, 2136, 2427, 2848, 3204, 3236, 4272, 4854, 6408, 6472, 7281, 8544, 9708, 12816, 12944, 14562, 19416, 25632, 25888, 29124, 38832, 58248, 72001, 77664, 116496, 144002, 216003, 232992, 288004, 432006, 576008, 648009, 864012, 1152016, 1296018, 1728024, 2304032, 2592036, 3456048, 5184072, 6912096, 10368144, 20736288]

約数ペア:

[(1, 20736288), (2, 10368144), (3, 6912096), (4, 5184072), (6, 3456048), (8, 2592036), (9, 2304032), (12, 1728024), (16, 1296018), (18, 1152016), (24, 864012), (32, 648009), (36, 576008), (48, 432006), (72, 288004), (89, 232992), (96, 216003), (144, 144002), (178, 116496), (267, 77664), (288, 72001), (356, 58248), (534, 38832), (712, 29124), (801, 25888), (809, 25632), (1068, 19416), (1424, 14562), (1602, 12944), (1618, 12816), (2136, 9708), (2427, 8544), (2848, 7281), (3204, 6472), (3236, 6408), (4272, 4854)]