20168901536

素因数分解:

$2^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{8537}}^1$

素因数の和:8806

約数の個数: 96

約数和(自身を含む): 46474041600

約数和(自身を除く): 26305140064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 106, 112, 199, 212, 224, 371, 398, 424, 742, 796, 848, 1393, 1484, 1592, 1696, 2786, 2968, 3184, 5572, 5936, 6368, 8537, 10547, 11144, 11872, 17074, 21094, 22288, 34148, 42188, 44576, 59759, 68296, 73829, 84376, 119518, 136592, 147658, 168752, 239036, 273184, 295316, 337504, 452461, 478072, 590632, 904922, 956144, 1181264, 1698863, 1809844, 1912288, 2362528, 3167227, 3397726, 3619688, 6334454, 6795452, 7239376, 11892041, 12668908, 13590904, 14478752, 23784082, 25337816, 27181808, 47568164, 50675632, 54363616, 90039739, 95136328, 101351264, 180079478, 190272656, 360158956, 380545312, 630278173, 720317912, 1260556346, 1440635824, 2521112692, 2881271648, 5042225384, 10084450768, 20168901536]

約数ペア:

[(1, 20168901536), (2, 10084450768), (4, 5042225384), (7, 2881271648), (8, 2521112692), (14, 1440635824), (16, 1260556346), (28, 720317912), (32, 630278173), (53, 380545312), (56, 360158956), (106, 190272656), (112, 180079478), (199, 101351264), (212, 95136328), (224, 90039739), (371, 54363616), (398, 50675632), (424, 47568164), (742, 27181808), (796, 25337816), (848, 23784082), (1393, 14478752), (1484, 13590904), (1592, 12668908), (1696, 11892041), (2786, 7239376), (2968, 6795452), (3184, 6334454), (5572, 3619688), (5936, 3397726), (6368, 3167227), (8537, 2362528), (10547, 1912288), (11144, 1809844), (11872, 1698863), (17074, 1181264), (21094, 956144), (22288, 904922), (34148, 590632), (42188, 478072), (44576, 452461), (59759, 337504), (68296, 295316), (73829, 273184), (84376, 239036), (119518, 168752), (136592, 147658)]