20001261641888

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3671929}}^1$

素因数の和:3672023

約数の個数: 144

約数和(自身を含む): 45452030803200

約数和(自身を除く): 25450769161312

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 32, 34, 38, 62, 68, 76, 124, 136, 152, 248, 272, 289, 304, 323, 496, 527, 544, 578, 589, 608, 646, 992, 1054, 1156, 1178, 1292, 2108, 2312, 2356, 2584, 4216, 4624, 4712, 5168, 5491, 8432, 8959, 9248, 9424, 10013, 10336, 10982, 16864, 17918, 18848, 20026, 21964, 35836, 40052, 43928, 71672, 80104, 87856, 143344, 160208, 170221, 175712, 286688, 320416, 340442, 680884, 1361768, 2723536, 3671929, 5447072, 7343858, 14687716, 29375432, 58750864, 62422793, 69766651, 113829799, 117501728, 124845586, 139533302, 227659598, 249691172, 279066604, 455319196, 499382344, 558133208, 910638392, 998764688, 1061187481, 1116266416, 1186033067, 1821276784, 1935106583, 1997529376, 2122374962, 2162766181, 2232532832, 2372066134, 3642553568, 3870213166, 4244749924, 4325532362, 4744132268, 7740426332, 8489499848, 8651064724, 9488264536, 15480852664, 16978999696, 17302129448, 18976529072, 20162562139, 30961705328, 32896811911, 33957999392, 34604258896, 36767025077, 37953058144, 40325124278, 61923410656, 65793623822, 69208517792, 73534050154, 80650248556, 131587247644, 147068100308, 161300497112, 263174495288, 294136200616, 322600994224, 526348990576, 588272401232, 625039426309, 645201988448, 1052697981152, 1176544802464, 1250078852618, 2500157705236, 5000315410472, 10000630820944, 20001261641888]

約数ペア:

[(1, 20001261641888), (2, 10000630820944), (4, 5000315410472), (8, 2500157705236), (16, 1250078852618), (17, 1176544802464), (19, 1052697981152), (31, 645201988448), (32, 625039426309), (34, 588272401232), (38, 526348990576), (62, 322600994224), (68, 294136200616), (76, 263174495288), (124, 161300497112), (136, 147068100308), (152, 131587247644), (248, 80650248556), (272, 73534050154), (289, 69208517792), (304, 65793623822), (323, 61923410656), (496, 40325124278), (527, 37953058144), (544, 36767025077), (578, 34604258896), (589, 33957999392), (608, 32896811911), (646, 30961705328), (992, 20162562139), (1054, 18976529072), (1156, 17302129448), (1178, 16978999696), (1292, 15480852664), (2108, 9488264536), (2312, 8651064724), (2356, 8489499848), (2584, 7740426332), (4216, 4744132268), (4624, 4325532362), (4712, 4244749924), (5168, 3870213166), (5491, 3642553568), (8432, 2372066134), (8959, 2232532832), (9248, 2162766181), (9424, 2122374962), (10013, 1997529376), (10336, 1935106583), (10982, 1821276784), (16864, 1186033067), (17918, 1116266416), (18848, 1061187481), (20026, 998764688), (21964, 910638392), (35836, 558133208), (40052, 499382344), (43928, 455319196), (71672, 279066604), (80104, 249691172), (87856, 227659598), (143344, 139533302), (160208, 124845586), (170221, 117501728), (175712, 113829799), (286688, 69766651), (320416, 62422793), (340442, 58750864), (680884, 29375432), (1361768, 14687716), (2723536, 7343858), (3671929, 5447072)]