20798499267

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:642

約数の個数: 144

約数和(自身を含む): 38478136320

約数和(自身を除く): 17679637053

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 63, 89, 91, 117, 141, 169, 267, 273, 329, 423, 467, 507, 611, 623, 801, 819, 987, 1157, 1183, 1401, 1521, 1833, 1869, 2961, 3269, 3471, 3549, 4183, 4203, 4277, 5499, 5607, 6071, 7943, 8099, 9807, 10413, 10647, 12549, 12831, 15041, 18213, 21949, 23829, 24297, 29281, 29421, 37647, 38493, 41563, 42497, 45123, 54379, 54639, 55601, 65847, 71487, 72891, 78923, 87843, 105287, 124689, 127491, 135369, 153643, 163137, 166803, 197541, 236769, 263529, 285337, 290941, 315861, 374067, 380653, 382473, 460929, 489411, 500409, 540319, 552461, 706927, 710307, 856011, 872823, 947583, 1141959, 1382787, 1620957, 1657383, 1953461, 1997359, 2120781, 2568033, 2618469, 3425877, 3709381, 3782233, 4862871, 4948489, 4972149, 5860383, 5992077, 6362343, 7024147, 11128143, 11346699, 13674227, 14845467, 17581149, 17976231, 21072441, 25394993, 25965667, 33384429, 34040097, 41022681, 44536401, 49169029, 63217323, 76184979, 77897001, 123068043, 147507087, 177764951, 228554937, 233691003, 330134909, 442521261, 533294853, 990404727, 1599884559, 2310944363, 2971214181, 6932833089, 20798499267]

約数ペア:

[(1, 20798499267), (3, 6932833089), (7, 2971214181), (9, 2310944363), (13, 1599884559), (21, 990404727), (39, 533294853), (47, 442521261), (63, 330134909), (89, 233691003), (91, 228554937), (117, 177764951), (141, 147507087), (169, 123068043), (267, 77897001), (273, 76184979), (329, 63217323), (423, 49169029), (467, 44536401), (507, 41022681), (611, 34040097), (623, 33384429), (801, 25965667), (819, 25394993), (987, 21072441), (1157, 17976231), (1183, 17581149), (1401, 14845467), (1521, 13674227), (1833, 11346699), (1869, 11128143), (2961, 7024147), (3269, 6362343), (3471, 5992077), (3549, 5860383), (4183, 4972149), (4203, 4948489), (4277, 4862871), (5499, 3782233), (5607, 3709381), (6071, 3425877), (7943, 2618469), (8099, 2568033), (9807, 2120781), (10413, 1997359), (10647, 1953461), (12549, 1657383), (12831, 1620957), (15041, 1382787), (18213, 1141959), (21949, 947583), (23829, 872823), (24297, 856011), (29281, 710307), (29421, 706927), (37647, 552461), (38493, 540319), (41563, 500409), (42497, 489411), (45123, 460929), (54379, 382473), (54639, 380653), (55601, 374067), (65847, 315861), (71487, 290941), (72891, 285337), (78923, 263529), (87843, 236769), (105287, 197541), (124689, 166803), (127491, 163137), (135369, 153643)]