20422416

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:501

約数の個数: 120

約数和(自身を含む): 64742880

約数和(自身を除く): 44320464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 49, 56, 57, 76, 84, 98, 112, 114, 133, 147, 152, 168, 196, 228, 266, 294, 304, 336, 392, 399, 456, 457, 532, 588, 784, 798, 912, 914, 931, 1064, 1176, 1371, 1596, 1828, 1862, 2128, 2352, 2742, 2793, 3192, 3199, 3656, 3724, 5484, 5586, 6384, 6398, 7312, 7448, 8683, 9597, 10968, 11172, 12796, 14896, 17366, 19194, 21936, 22344, 22393, 25592, 26049, 34732, 38388, 44688, 44786, 51184, 52098, 60781, 67179, 69464, 76776, 89572, 104196, 121562, 134358, 138928, 153552, 179144, 182343, 208392, 243124, 268716, 358288, 364686, 416784, 425467, 486248, 537432, 729372, 850934, 972496, 1074864, 1276401, 1458744, 1701868, 2552802, 2917488, 3403736, 5105604, 6807472, 10211208, 20422416]

約数ペア:

[(1, 20422416), (2, 10211208), (3, 6807472), (4, 5105604), (6, 3403736), (7, 2917488), (8, 2552802), (12, 1701868), (14, 1458744), (16, 1276401), (19, 1074864), (21, 972496), (24, 850934), (28, 729372), (38, 537432), (42, 486248), (48, 425467), (49, 416784), (56, 364686), (57, 358288), (76, 268716), (84, 243124), (98, 208392), (112, 182343), (114, 179144), (133, 153552), (147, 138928), (152, 134358), (168, 121562), (196, 104196), (228, 89572), (266, 76776), (294, 69464), (304, 67179), (336, 60781), (392, 52098), (399, 51184), (456, 44786), (457, 44688), (532, 38388), (588, 34732), (784, 26049), (798, 25592), (912, 22393), (914, 22344), (931, 21936), (1064, 19194), (1176, 17366), (1371, 14896), (1596, 12796), (1828, 11172), (1862, 10968), (2128, 9597), (2352, 8683), (2742, 7448), (2793, 7312), (3192, 6398), (3199, 6384), (3656, 5586), (3724, 5484)]