20142945664

素因数分解:

$2^7\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:672

約数の個数: 128

約数和(自身を含む): 42072307200

約数和(自身を除く): 21929361536

約数列:

[1, 2, 4, 8, 16, 32, 47, 61, 64, 94, 122, 128, 131, 188, 244, 262, 376, 419, 488, 524, 752, 838, 976, 1048, 1504, 1676, 1952, 2096, 2867, 3008, 3352, 3904, 4192, 5734, 6016, 6157, 6704, 7808, 7991, 8384, 11468, 12314, 13408, 15982, 16768, 19693, 22936, 24628, 25559, 26816, 31964, 39386, 45872, 49256, 51118, 53632, 54889, 63928, 78772, 91744, 98512, 102236, 109778, 127856, 157544, 183488, 197024, 204472, 219556, 255712, 315088, 366976, 375577, 394048, 408944, 439112, 511424, 630176, 751154, 788096, 817888, 878224, 1022848, 1201273, 1260352, 1502308, 1635776, 1756448, 2402546, 2520704, 2579783, 3004616, 3271552, 3348229, 3512896, 4805092, 5159566, 6009232, 6696458, 7025792, 9610184, 10319132, 12018464, 13392916, 19220368, 20638264, 24036928, 26785832, 38440736, 41276528, 48073856, 53571664, 76881472, 82553056, 107143328, 153762944, 157366763, 165106112, 214286656, 314733526, 330212224, 428573312, 629467052, 1258934104, 2517868208, 5035736416, 10071472832, 20142945664]

約数ペア:

[(1, 20142945664), (2, 10071472832), (4, 5035736416), (8, 2517868208), (16, 1258934104), (32, 629467052), (47, 428573312), (61, 330212224), (64, 314733526), (94, 214286656), (122, 165106112), (128, 157366763), (131, 153762944), (188, 107143328), (244, 82553056), (262, 76881472), (376, 53571664), (419, 48073856), (488, 41276528), (524, 38440736), (752, 26785832), (838, 24036928), (976, 20638264), (1048, 19220368), (1504, 13392916), (1676, 12018464), (1952, 10319132), (2096, 9610184), (2867, 7025792), (3008, 6696458), (3352, 6009232), (3904, 5159566), (4192, 4805092), (5734, 3512896), (6016, 3348229), (6157, 3271552), (6704, 3004616), (7808, 2579783), (7991, 2520704), (8384, 2402546), (11468, 1756448), (12314, 1635776), (13408, 1502308), (15982, 1260352), (16768, 1201273), (19693, 1022848), (22936, 878224), (24628, 817888), (25559, 788096), (26816, 751154), (31964, 630176), (39386, 511424), (45872, 439112), (49256, 408944), (51118, 394048), (53632, 375577), (54889, 366976), (63928, 315088), (78772, 255712), (91744, 219556), (98512, 204472), (102236, 197024), (109778, 183488), (127856, 157544)]