20908656

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:203

約数の個数: 120

約数和(自身を含む): 62674560

約数和(自身を除く): 41765904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 59, 69, 72, 92, 107, 118, 138, 144, 177, 184, 207, 214, 236, 276, 321, 354, 368, 414, 428, 472, 531, 552, 642, 708, 828, 856, 944, 963, 1062, 1104, 1284, 1357, 1416, 1656, 1712, 1926, 2124, 2461, 2568, 2714, 2832, 3312, 3852, 4071, 4248, 4922, 5136, 5428, 6313, 7383, 7704, 8142, 8496, 9844, 10856, 12213, 12626, 14766, 15408, 16284, 18939, 19688, 21712, 22149, 24426, 25252, 29532, 32568, 37878, 39376, 44298, 48852, 50504, 56817, 59064, 65136, 75756, 88596, 97704, 101008, 113634, 118128, 145199, 151512, 177192, 195408, 227268, 290398, 303024, 354384, 435597, 454536, 580796, 871194, 909072, 1161592, 1306791, 1742388, 2323184, 2613582, 3484776, 5227164, 6969552, 10454328, 20908656]

約数ペア:

[(1, 20908656), (2, 10454328), (3, 6969552), (4, 5227164), (6, 3484776), (8, 2613582), (9, 2323184), (12, 1742388), (16, 1306791), (18, 1161592), (23, 909072), (24, 871194), (36, 580796), (46, 454536), (48, 435597), (59, 354384), (69, 303024), (72, 290398), (92, 227268), (107, 195408), (118, 177192), (138, 151512), (144, 145199), (177, 118128), (184, 113634), (207, 101008), (214, 97704), (236, 88596), (276, 75756), (321, 65136), (354, 59064), (368, 56817), (414, 50504), (428, 48852), (472, 44298), (531, 39376), (552, 37878), (642, 32568), (708, 29532), (828, 25252), (856, 24426), (944, 22149), (963, 21712), (1062, 19688), (1104, 18939), (1284, 16284), (1357, 15408), (1416, 14766), (1656, 12626), (1712, 12213), (1926, 10856), (2124, 9844), (2461, 8496), (2568, 8142), (2714, 7704), (2832, 7383), (3312, 6313), (3852, 5428), (4071, 5136), (4248, 4922)]