20163639996

素因数分解:

$2^2\times 3^2\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:652

約数の個数: 144

約数和(自身を含む): 52359154848

約数和(自身を除く): 32195514852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 131, 157, 226, 241, 262, 314, 339, 393, 452, 471, 482, 524, 628, 678, 723, 786, 942, 964, 1017, 1179, 1356, 1413, 1446, 1572, 1884, 2034, 2169, 2358, 2826, 2892, 4068, 4338, 4716, 5652, 8676, 14803, 17741, 20567, 27233, 29606, 31571, 35482, 37837, 41134, 44409, 53223, 54466, 59212, 61701, 63142, 70964, 75674, 81699, 82268, 88818, 94713, 106446, 108932, 113511, 123402, 126284, 133227, 151348, 159669, 163398, 177636, 185103, 189426, 212892, 227022, 245097, 246804, 266454, 284139, 319338, 326796, 340533, 370206, 378852, 454044, 490194, 532908, 568278, 638676, 681066, 740412, 980388, 1136556, 1362132, 2324071, 3567523, 4275581, 4648142, 4956647, 6972213, 7135046, 8551162, 9296284, 9913294, 10702569, 12826743, 13944426, 14270092, 14869941, 17102324, 19826588, 20916639, 21405138, 25653486, 27888852, 29739882, 32107707, 38480229, 41833278, 42810276, 44609823, 51306972, 59479764, 64215414, 76960458, 83666556, 89219646, 128430828, 153920916, 178439292, 560101111, 1120202222, 1680303333, 2240404444, 3360606666, 5040909999, 6721213332, 10081819998, 20163639996]

約数ペア:

[(1, 20163639996), (2, 10081819998), (3, 6721213332), (4, 5040909999), (6, 3360606666), (9, 2240404444), (12, 1680303333), (18, 1120202222), (36, 560101111), (113, 178439292), (131, 153920916), (157, 128430828), (226, 89219646), (241, 83666556), (262, 76960458), (314, 64215414), (339, 59479764), (393, 51306972), (452, 44609823), (471, 42810276), (482, 41833278), (524, 38480229), (628, 32107707), (678, 29739882), (723, 27888852), (786, 25653486), (942, 21405138), (964, 20916639), (1017, 19826588), (1179, 17102324), (1356, 14869941), (1413, 14270092), (1446, 13944426), (1572, 12826743), (1884, 10702569), (2034, 9913294), (2169, 9296284), (2358, 8551162), (2826, 7135046), (2892, 6972213), (4068, 4956647), (4338, 4648142), (4716, 4275581), (5652, 3567523), (8676, 2324071), (14803, 1362132), (17741, 1136556), (20567, 980388), (27233, 740412), (29606, 681066), (31571, 638676), (35482, 568278), (37837, 532908), (41134, 490194), (44409, 454044), (53223, 378852), (54466, 370206), (59212, 340533), (61701, 326796), (63142, 319338), (70964, 284139), (75674, 266454), (81699, 246804), (82268, 245097), (88818, 227022), (94713, 212892), (106446, 189426), (108932, 185103), (113511, 177636), (123402, 163398), (126284, 159669), (133227, 151348)]