20608075840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{188857}}^1$

素因数の和:188916

約数の個数: 112

約数和(自身を含む): 55261361664

約数和(自身を除く): 34653285824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 682, 704, 880, 992, 1240, 1364, 1705, 1760, 1984, 2480, 2728, 3410, 3520, 4960, 5456, 6820, 9920, 10912, 13640, 21824, 27280, 54560, 109120, 188857, 377714, 755428, 944285, 1510856, 1888570, 2077427, 3021712, 3777140, 4154854, 5854567, 6043424, 7554280, 8309708, 10387135, 11709134, 12086848, 15108560, 16619416, 20774270, 23418268, 29272835, 30217120, 33238832, 41548540, 46836536, 58545670, 60434240, 64400237, 66477664, 83097080, 93673072, 117091340, 128800474, 132955328, 166194160, 187346144, 234182680, 257600948, 322001185, 332388320, 374692288, 468365360, 515201896, 644002370, 664776640, 936730720, 1030403792, 1288004740, 1873461440, 2060807584, 2576009480, 4121615168, 5152018960, 10304037920, 20608075840]

約数ペア:

[(1, 20608075840), (2, 10304037920), (4, 5152018960), (5, 4121615168), (8, 2576009480), (10, 2060807584), (11, 1873461440), (16, 1288004740), (20, 1030403792), (22, 936730720), (31, 664776640), (32, 644002370), (40, 515201896), (44, 468365360), (55, 374692288), (62, 332388320), (64, 322001185), (80, 257600948), (88, 234182680), (110, 187346144), (124, 166194160), (155, 132955328), (160, 128800474), (176, 117091340), (220, 93673072), (248, 83097080), (310, 66477664), (320, 64400237), (341, 60434240), (352, 58545670), (440, 46836536), (496, 41548540), (620, 33238832), (682, 30217120), (704, 29272835), (880, 23418268), (992, 20774270), (1240, 16619416), (1364, 15108560), (1705, 12086848), (1760, 11709134), (1984, 10387135), (2480, 8309708), (2728, 7554280), (3410, 6043424), (3520, 5854567), (4960, 4154854), (5456, 3777140), (6820, 3021712), (9920, 2077427), (10912, 1888570), (13640, 1510856), (21824, 944285), (27280, 755428), (54560, 377714), (109120, 188857)]