20853529128

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{549587}}^1$

素因数の和:549647

約数の個数: 96

約数和(自身を含む): 61729724160

約数和(自身を除く): 40876195032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 31, 34, 36, 51, 62, 68, 72, 93, 102, 124, 136, 153, 186, 204, 248, 279, 306, 372, 408, 527, 558, 612, 744, 1054, 1116, 1224, 1581, 2108, 2232, 3162, 4216, 4743, 6324, 9486, 12648, 18972, 37944, 549587, 1099174, 1648761, 2198348, 3297522, 4396696, 4946283, 6595044, 9342979, 9892566, 13190088, 17037197, 18685958, 19785132, 28028937, 34074394, 37371916, 39570264, 51111591, 56057874, 68148788, 74743832, 84086811, 102223182, 112115748, 136297576, 153334773, 168173622, 204446364, 224231496, 289632349, 306669546, 336347244, 408892728, 579264698, 613339092, 672694488, 868897047, 1158529396, 1226678184, 1737794094, 2317058792, 2606691141, 3475588188, 5213382282, 6951176376, 10426764564, 20853529128]

約数ペア:

[(1, 20853529128), (2, 10426764564), (3, 6951176376), (4, 5213382282), (6, 3475588188), (8, 2606691141), (9, 2317058792), (12, 1737794094), (17, 1226678184), (18, 1158529396), (24, 868897047), (31, 672694488), (34, 613339092), (36, 579264698), (51, 408892728), (62, 336347244), (68, 306669546), (72, 289632349), (93, 224231496), (102, 204446364), (124, 168173622), (136, 153334773), (153, 136297576), (186, 112115748), (204, 102223182), (248, 84086811), (279, 74743832), (306, 68148788), (372, 56057874), (408, 51111591), (527, 39570264), (558, 37371916), (612, 34074394), (744, 28028937), (1054, 19785132), (1116, 18685958), (1224, 17037197), (1581, 13190088), (2108, 9892566), (2232, 9342979), (3162, 6595044), (4216, 4946283), (4743, 4396696), (6324, 3297522), (9486, 2198348), (12648, 1648761), (18972, 1099174), (37944, 549587)]