20101713920

素因数分解:

$2^{12}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57737}}^1$

素因数の和:57783

約数の個数: 104

約数和(自身を含む): 51076651464

約数和(自身を除く): 30974937544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1024, 1088, 1280, 1360, 2048, 2176, 2560, 2720, 4096, 4352, 5120, 5440, 8704, 10240, 10880, 17408, 20480, 21760, 34816, 43520, 57737, 69632, 87040, 115474, 174080, 230948, 288685, 348160, 461896, 577370, 923792, 981529, 1154740, 1847584, 1963058, 2309480, 3695168, 3926116, 4618960, 4907645, 7390336, 7852232, 9237920, 9815290, 14780672, 15704464, 18475840, 19630580, 29561344, 31408928, 36951680, 39261160, 59122688, 62817856, 73903360, 78522320, 118245376, 125635712, 147806720, 157044640, 236490752, 251271424, 295613440, 314089280, 502542848, 591226880, 628178560, 1005085696, 1182453760, 1256357120, 2010171392, 2512714240, 4020342784, 5025428480, 10050856960, 20101713920]

約数ペア:

[(1, 20101713920), (2, 10050856960), (4, 5025428480), (5, 4020342784), (8, 2512714240), (10, 2010171392), (16, 1256357120), (17, 1182453760), (20, 1005085696), (32, 628178560), (34, 591226880), (40, 502542848), (64, 314089280), (68, 295613440), (80, 251271424), (85, 236490752), (128, 157044640), (136, 147806720), (160, 125635712), (170, 118245376), (256, 78522320), (272, 73903360), (320, 62817856), (340, 59122688), (512, 39261160), (544, 36951680), (640, 31408928), (680, 29561344), (1024, 19630580), (1088, 18475840), (1280, 15704464), (1360, 14780672), (2048, 9815290), (2176, 9237920), (2560, 7852232), (2720, 7390336), (4096, 4907645), (4352, 4618960), (5120, 3926116), (5440, 3695168), (8704, 2309480), (10240, 1963058), (10880, 1847584), (17408, 1154740), (20480, 981529), (21760, 923792), (34816, 577370), (43520, 461896), (57737, 348160), (69632, 288685), (87040, 230948), (115474, 174080)]