20177248

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^3\times {\mathrm{41}}^1$

素因数の和:97

約数の個数: 96

約数和(自身を含む): 50379840

約数和(自身を除く): 30202592

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 41, 52, 56, 82, 91, 104, 112, 164, 169, 182, 208, 224, 287, 328, 338, 364, 416, 533, 574, 656, 676, 728, 1066, 1148, 1183, 1312, 1352, 1456, 2132, 2197, 2296, 2366, 2704, 2912, 3731, 4264, 4394, 4592, 4732, 5408, 6929, 7462, 8528, 8788, 9184, 9464, 13858, 14924, 15379, 17056, 17576, 18928, 27716, 29848, 30758, 35152, 37856, 48503, 55432, 59696, 61516, 70304, 90077, 97006, 110864, 119392, 123032, 180154, 194012, 221728, 246064, 360308, 388024, 492128, 630539, 720616, 776048, 1261078, 1441232, 1552096, 2522156, 2882464, 5044312, 10088624, 20177248]

約数ペア:

[(1, 20177248), (2, 10088624), (4, 5044312), (7, 2882464), (8, 2522156), (13, 1552096), (14, 1441232), (16, 1261078), (26, 776048), (28, 720616), (32, 630539), (41, 492128), (52, 388024), (56, 360308), (82, 246064), (91, 221728), (104, 194012), (112, 180154), (164, 123032), (169, 119392), (182, 110864), (208, 97006), (224, 90077), (287, 70304), (328, 61516), (338, 59696), (364, 55432), (416, 48503), (533, 37856), (574, 35152), (656, 30758), (676, 29848), (728, 27716), (1066, 18928), (1148, 17576), (1183, 17056), (1312, 15379), (1352, 14924), (1456, 13858), (2132, 9464), (2197, 9184), (2296, 8788), (2366, 8528), (2704, 7462), (2912, 6929), (3731, 5408), (4264, 4732), (4394, 4592)]