20598920320

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{13121}}^1$

素因数の和:13374

約数の個数: 128

約数和(自身を含む): 53966062080

約数和(自身を除く): 33367141760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 223, 320, 352, 440, 446, 640, 704, 880, 892, 1115, 1408, 1760, 1784, 2230, 2453, 3520, 3568, 4460, 4906, 7040, 7136, 8920, 9812, 12265, 13121, 14272, 17840, 19624, 24530, 26242, 28544, 35680, 39248, 49060, 52484, 65605, 71360, 78496, 98120, 104968, 131210, 142720, 144331, 156992, 196240, 209936, 262420, 288662, 313984, 392480, 419872, 524840, 577324, 721655, 784960, 839744, 1049680, 1154648, 1443310, 1569920, 1679488, 2099360, 2309296, 2886620, 2925983, 4198720, 4618592, 5773240, 5851966, 8397440, 9237184, 11546480, 11703932, 14629915, 18474368, 23092960, 23407864, 29259830, 32185813, 46185920, 46815728, 58519660, 64371626, 92371840, 93631456, 117039320, 128743252, 160929065, 187262912, 234078640, 257486504, 321858130, 374525824, 468157280, 514973008, 643716260, 936314560, 1029946016, 1287432520, 1872629120, 2059892032, 2574865040, 4119784064, 5149730080, 10299460160, 20598920320]

約数ペア:

[(1, 20598920320), (2, 10299460160), (4, 5149730080), (5, 4119784064), (8, 2574865040), (10, 2059892032), (11, 1872629120), (16, 1287432520), (20, 1029946016), (22, 936314560), (32, 643716260), (40, 514973008), (44, 468157280), (55, 374525824), (64, 321858130), (80, 257486504), (88, 234078640), (110, 187262912), (128, 160929065), (160, 128743252), (176, 117039320), (220, 93631456), (223, 92371840), (320, 64371626), (352, 58519660), (440, 46815728), (446, 46185920), (640, 32185813), (704, 29259830), (880, 23407864), (892, 23092960), (1115, 18474368), (1408, 14629915), (1760, 11703932), (1784, 11546480), (2230, 9237184), (2453, 8397440), (3520, 5851966), (3568, 5773240), (4460, 4618592), (4906, 4198720), (7040, 2925983), (7136, 2886620), (8920, 2309296), (9812, 2099360), (12265, 1679488), (13121, 1569920), (14272, 1443310), (17840, 1154648), (19624, 1049680), (24530, 839744), (26242, 784960), (28544, 721655), (35680, 577324), (39248, 524840), (49060, 419872), (52484, 392480), (65605, 313984), (71360, 288662), (78496, 262420), (98120, 209936), (104968, 196240), (131210, 156992), (142720, 144331)]