20971154412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{20359}}^1$

素因数の和:20484

約数の個数: 144

約数和(自身を含む): 59762626560

約数和(自身を除く): 38791472148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 71, 78, 93, 117, 124, 142, 156, 186, 213, 234, 279, 284, 372, 403, 426, 468, 558, 639, 806, 852, 923, 1116, 1209, 1278, 1612, 1846, 2201, 2418, 2556, 2769, 3627, 3692, 4402, 4836, 5538, 6603, 7254, 8307, 8804, 11076, 13206, 14508, 16614, 19809, 20359, 26412, 28613, 33228, 39618, 40718, 57226, 61077, 79236, 81436, 85839, 114452, 122154, 171678, 183231, 244308, 257517, 264667, 343356, 366462, 515034, 529334, 631129, 732924, 794001, 1030068, 1058668, 1262258, 1445489, 1588002, 1893387, 2382003, 2524516, 2890978, 3176004, 3786774, 4336467, 4764006, 5680161, 5781956, 7573548, 8204677, 8672934, 9528012, 11360322, 13009401, 16409354, 17345868, 18791357, 22720644, 24614031, 26018802, 32818708, 37582714, 44810159, 49228062, 52037604, 56374071, 73842093, 75165428, 89620318, 98456124, 112748142, 134430477, 147684186, 169122213, 179240636, 225496284, 268860954, 295368372, 338244426, 403291431, 537721908, 582532067, 676488852, 806582862, 1165064134, 1613165724, 1747596201, 2330128268, 3495192402, 5242788603, 6990384804, 10485577206, 20971154412]

約数ペア:

[(1, 20971154412), (2, 10485577206), (3, 6990384804), (4, 5242788603), (6, 3495192402), (9, 2330128268), (12, 1747596201), (13, 1613165724), (18, 1165064134), (26, 806582862), (31, 676488852), (36, 582532067), (39, 537721908), (52, 403291431), (62, 338244426), (71, 295368372), (78, 268860954), (93, 225496284), (117, 179240636), (124, 169122213), (142, 147684186), (156, 134430477), (186, 112748142), (213, 98456124), (234, 89620318), (279, 75165428), (284, 73842093), (372, 56374071), (403, 52037604), (426, 49228062), (468, 44810159), (558, 37582714), (639, 32818708), (806, 26018802), (852, 24614031), (923, 22720644), (1116, 18791357), (1209, 17345868), (1278, 16409354), (1612, 13009401), (1846, 11360322), (2201, 9528012), (2418, 8672934), (2556, 8204677), (2769, 7573548), (3627, 5781956), (3692, 5680161), (4402, 4764006), (4836, 4336467), (5538, 3786774), (6603, 3176004), (7254, 2890978), (8307, 2524516), (8804, 2382003), (11076, 1893387), (13206, 1588002), (14508, 1445489), (16614, 1262258), (19809, 1058668), (20359, 1030068), (26412, 794001), (28613, 732924), (33228, 631129), (39618, 529334), (40718, 515034), (57226, 366462), (61077, 343356), (79236, 264667), (81436, 257517), (85839, 244308), (114452, 183231), (122154, 171678)]