20804056

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 52103520

約数和(自身を除く): 31299464

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 41, 52, 56, 68, 82, 91, 104, 119, 136, 164, 182, 221, 238, 287, 328, 364, 442, 476, 533, 574, 697, 728, 884, 952, 1066, 1148, 1394, 1547, 1681, 1768, 2132, 2296, 2788, 3094, 3362, 3731, 4264, 4879, 5576, 6188, 6724, 7462, 9061, 9758, 11767, 12376, 13448, 14924, 18122, 19516, 21853, 23534, 28577, 29848, 36244, 39032, 43706, 47068, 57154, 63427, 72488, 87412, 94136, 114308, 126854, 152971, 174824, 200039, 228616, 253708, 305942, 371501, 400078, 507416, 611884, 743002, 800156, 1223768, 1486004, 1600312, 2600507, 2972008, 5201014, 10402028, 20804056]

約数ペア:

[(1, 20804056), (2, 10402028), (4, 5201014), (7, 2972008), (8, 2600507), (13, 1600312), (14, 1486004), (17, 1223768), (26, 800156), (28, 743002), (34, 611884), (41, 507416), (52, 400078), (56, 371501), (68, 305942), (82, 253708), (91, 228616), (104, 200039), (119, 174824), (136, 152971), (164, 126854), (182, 114308), (221, 94136), (238, 87412), (287, 72488), (328, 63427), (364, 57154), (442, 47068), (476, 43706), (533, 39032), (574, 36244), (697, 29848), (728, 28577), (884, 23534), (952, 21853), (1066, 19516), (1148, 18122), (1394, 14924), (1547, 13448), (1681, 12376), (1768, 11767), (2132, 9758), (2296, 9061), (2788, 7462), (3094, 6724), (3362, 6188), (3731, 5576), (4264, 4879)]