20067960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:709

約数の個数: 128

約数和(自身を含む): 68636160

約数和(自身を除く): 48568200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 66, 69, 88, 92, 110, 115, 120, 132, 138, 165, 184, 220, 230, 253, 264, 276, 330, 345, 440, 460, 506, 552, 660, 661, 690, 759, 920, 1012, 1265, 1320, 1322, 1380, 1518, 1983, 2024, 2530, 2644, 2760, 3036, 3305, 3795, 3966, 5060, 5288, 6072, 6610, 7271, 7590, 7932, 9915, 10120, 13220, 14542, 15180, 15203, 15864, 19830, 21813, 26440, 29084, 30360, 30406, 36355, 39660, 43626, 45609, 58168, 60812, 72710, 76015, 79320, 87252, 91218, 109065, 121624, 145420, 152030, 167233, 174504, 182436, 218130, 228045, 290840, 304060, 334466, 364872, 436260, 456090, 501699, 608120, 668932, 836165, 872520, 912180, 1003398, 1337864, 1672330, 1824360, 2006796, 2508495, 3344660, 4013592, 5016990, 6689320, 10033980, 20067960]

約数ペア:

[(1, 20067960), (2, 10033980), (3, 6689320), (4, 5016990), (5, 4013592), (6, 3344660), (8, 2508495), (10, 2006796), (11, 1824360), (12, 1672330), (15, 1337864), (20, 1003398), (22, 912180), (23, 872520), (24, 836165), (30, 668932), (33, 608120), (40, 501699), (44, 456090), (46, 436260), (55, 364872), (60, 334466), (66, 304060), (69, 290840), (88, 228045), (92, 218130), (110, 182436), (115, 174504), (120, 167233), (132, 152030), (138, 145420), (165, 121624), (184, 109065), (220, 91218), (230, 87252), (253, 79320), (264, 76015), (276, 72710), (330, 60812), (345, 58168), (440, 45609), (460, 43626), (506, 39660), (552, 36355), (660, 30406), (661, 30360), (690, 29084), (759, 26440), (920, 21813), (1012, 19830), (1265, 15864), (1320, 15203), (1322, 15180), (1380, 14542), (1518, 13220), (1983, 10120), (2024, 9915), (2530, 7932), (2644, 7590), (2760, 7271), (3036, 6610), (3305, 6072), (3795, 5288), (3966, 5060)]