20426952

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 64512000

約数和(自身を除く): 44085048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 47, 52, 56, 78, 84, 91, 94, 104, 141, 156, 168, 182, 188, 199, 273, 282, 312, 329, 364, 376, 398, 546, 564, 597, 611, 658, 728, 796, 987, 1092, 1128, 1194, 1222, 1316, 1393, 1592, 1833, 1974, 2184, 2388, 2444, 2587, 2632, 2786, 3666, 3948, 4179, 4277, 4776, 4888, 5174, 5572, 7332, 7761, 7896, 8358, 8554, 9353, 10348, 11144, 12831, 14664, 15522, 16716, 17108, 18109, 18706, 20696, 25662, 28059, 31044, 33432, 34216, 36218, 37412, 51324, 54327, 56118, 62088, 65471, 72436, 74824, 102648, 108654, 112236, 121589, 130942, 144872, 196413, 217308, 224472, 243178, 261884, 364767, 392826, 434616, 486356, 523768, 729534, 785652, 851123, 972712, 1459068, 1571304, 1702246, 2553369, 2918136, 3404492, 5106738, 6808984, 10213476, 20426952]

約数ペア:

[(1, 20426952), (2, 10213476), (3, 6808984), (4, 5106738), (6, 3404492), (7, 2918136), (8, 2553369), (12, 1702246), (13, 1571304), (14, 1459068), (21, 972712), (24, 851123), (26, 785652), (28, 729534), (39, 523768), (42, 486356), (47, 434616), (52, 392826), (56, 364767), (78, 261884), (84, 243178), (91, 224472), (94, 217308), (104, 196413), (141, 144872), (156, 130942), (168, 121589), (182, 112236), (188, 108654), (199, 102648), (273, 74824), (282, 72436), (312, 65471), (329, 62088), (364, 56118), (376, 54327), (398, 51324), (546, 37412), (564, 36218), (597, 34216), (611, 33432), (658, 31044), (728, 28059), (796, 25662), (987, 20696), (1092, 18706), (1128, 18109), (1194, 17108), (1222, 16716), (1316, 15522), (1393, 14664), (1592, 12831), (1833, 11144), (1974, 10348), (2184, 9353), (2388, 8554), (2444, 8358), (2587, 7896), (2632, 7761), (2786, 7332), (3666, 5572), (3948, 5174), (4179, 4888), (4277, 4776)]