20807388

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1619}}^1$

素因数の和:1656

約数の個数: 96

約数和(自身を含む): 65318400

約数和(自身を除く): 44511012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 84, 102, 108, 119, 126, 153, 189, 204, 238, 252, 306, 357, 378, 459, 476, 612, 714, 756, 918, 1071, 1428, 1619, 1836, 2142, 3213, 3238, 4284, 4857, 6426, 6476, 9714, 11333, 12852, 14571, 19428, 22666, 27523, 29142, 33999, 43713, 45332, 55046, 58284, 67998, 82569, 87426, 101997, 110092, 135996, 165138, 174852, 192661, 203994, 247707, 305991, 330276, 385322, 407988, 495414, 577983, 611982, 743121, 770644, 990828, 1155966, 1223964, 1486242, 1733949, 2311932, 2972484, 3467898, 5201847, 6935796, 10403694, 20807388]

約数ペア:

[(1, 20807388), (2, 10403694), (3, 6935796), (4, 5201847), (6, 3467898), (7, 2972484), (9, 2311932), (12, 1733949), (14, 1486242), (17, 1223964), (18, 1155966), (21, 990828), (27, 770644), (28, 743121), (34, 611982), (36, 577983), (42, 495414), (51, 407988), (54, 385322), (63, 330276), (68, 305991), (84, 247707), (102, 203994), (108, 192661), (119, 174852), (126, 165138), (153, 135996), (189, 110092), (204, 101997), (238, 87426), (252, 82569), (306, 67998), (357, 58284), (378, 55046), (459, 45332), (476, 43713), (612, 33999), (714, 29142), (756, 27523), (918, 22666), (1071, 19428), (1428, 14571), (1619, 12852), (1836, 11333), (2142, 9714), (3213, 6476), (3238, 6426), (4284, 4857)]