20828016

素因数分解:

$2^4\times 3^5\times {\mathrm{11}}^1\times {\mathrm{487}}^1$

素因数の和:521

約数の個数: 120

約数和(自身を含む): 66079104

約数和(自身を除く): 45251088

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 81, 88, 99, 108, 132, 144, 162, 176, 198, 216, 243, 264, 297, 324, 396, 432, 486, 487, 528, 594, 648, 792, 891, 972, 974, 1188, 1296, 1461, 1584, 1782, 1944, 1948, 2376, 2673, 2922, 3564, 3888, 3896, 4383, 4752, 5346, 5357, 5844, 7128, 7792, 8766, 10692, 10714, 11688, 13149, 14256, 16071, 17532, 21384, 21428, 23376, 26298, 32142, 35064, 39447, 42768, 42856, 48213, 52596, 64284, 70128, 78894, 85712, 96426, 105192, 118341, 128568, 144639, 157788, 192852, 210384, 236682, 257136, 289278, 315576, 385704, 433917, 473364, 578556, 631152, 771408, 867834, 946728, 1157112, 1301751, 1735668, 1893456, 2314224, 2603502, 3471336, 5207004, 6942672, 10414008, 20828016]

約数ペア:

[(1, 20828016), (2, 10414008), (3, 6942672), (4, 5207004), (6, 3471336), (8, 2603502), (9, 2314224), (11, 1893456), (12, 1735668), (16, 1301751), (18, 1157112), (22, 946728), (24, 867834), (27, 771408), (33, 631152), (36, 578556), (44, 473364), (48, 433917), (54, 385704), (66, 315576), (72, 289278), (81, 257136), (88, 236682), (99, 210384), (108, 192852), (132, 157788), (144, 144639), (162, 128568), (176, 118341), (198, 105192), (216, 96426), (243, 85712), (264, 78894), (297, 70128), (324, 64284), (396, 52596), (432, 48213), (486, 42856), (487, 42768), (528, 39447), (594, 35064), (648, 32142), (792, 26298), (891, 23376), (972, 21428), (974, 21384), (1188, 17532), (1296, 16071), (1461, 14256), (1584, 13149), (1782, 11688), (1944, 10714), (1948, 10692), (2376, 8766), (2673, 7792), (2922, 7128), (3564, 5844), (3888, 5357), (3896, 5346), (4383, 4752)]