20121638355

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{34849}}^1$

素因数の和:34930

約数の個数: 128

約数和(自身を含む): 44964864000

約数和(自身を除く): 24843225645

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 47, 63, 65, 91, 105, 117, 135, 141, 189, 195, 235, 273, 315, 329, 351, 423, 455, 585, 611, 705, 819, 945, 987, 1269, 1365, 1645, 1755, 1833, 2115, 2457, 2961, 3055, 4095, 4277, 4935, 5499, 6345, 8883, 9165, 12285, 12831, 14805, 16497, 21385, 27495, 34849, 38493, 44415, 64155, 82485, 104547, 115479, 174245, 192465, 243943, 313641, 453037, 522735, 577395, 731829, 940923, 1219715, 1359111, 1568205, 1637903, 2195487, 2265185, 3171259, 3659145, 4077333, 4704615, 4913709, 6586461, 6795555, 8189515, 9513777, 10977435, 11465321, 12231999, 14741127, 15856295, 20386665, 21292739, 24568545, 28541331, 32932305, 34395963, 44223381, 47568885, 57326605, 61159995, 63878217, 73705635, 85623993, 103187889, 106463695, 142706655, 149049173, 171979815, 191634651, 221116905, 309563667, 319391085, 428119965, 447147519, 515939445, 574903953, 745245865, 958173255, 1341442557, 1547818335, 2235737595, 2874519765, 4024327671, 6707212785, 20121638355]

約数ペア:

[(1, 20121638355), (3, 6707212785), (5, 4024327671), (7, 2874519765), (9, 2235737595), (13, 1547818335), (15, 1341442557), (21, 958173255), (27, 745245865), (35, 574903953), (39, 515939445), (45, 447147519), (47, 428119965), (63, 319391085), (65, 309563667), (91, 221116905), (105, 191634651), (117, 171979815), (135, 149049173), (141, 142706655), (189, 106463695), (195, 103187889), (235, 85623993), (273, 73705635), (315, 63878217), (329, 61159995), (351, 57326605), (423, 47568885), (455, 44223381), (585, 34395963), (611, 32932305), (705, 28541331), (819, 24568545), (945, 21292739), (987, 20386665), (1269, 15856295), (1365, 14741127), (1645, 12231999), (1755, 11465321), (1833, 10977435), (2115, 9513777), (2457, 8189515), (2961, 6795555), (3055, 6586461), (4095, 4913709), (4277, 4704615), (4935, 4077333), (5499, 3659145), (6345, 3171259), (8883, 2265185), (9165, 2195487), (12285, 1637903), (12831, 1568205), (14805, 1359111), (16497, 1219715), (21385, 940923), (27495, 731829), (34849, 577395), (38493, 522735), (44415, 453037), (64155, 313641), (82485, 243943), (104547, 192465), (115479, 174245)]