20605312

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 128

約数和(自身を含む): 53121600

約数和(自身を除く): 32516288

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 32, 52, 56, 58, 61, 64, 91, 104, 112, 116, 122, 128, 182, 203, 208, 224, 232, 244, 364, 377, 406, 416, 427, 448, 464, 488, 728, 754, 793, 812, 832, 854, 896, 928, 976, 1456, 1508, 1586, 1624, 1664, 1708, 1769, 1856, 1952, 2639, 2912, 3016, 3172, 3248, 3416, 3538, 3712, 3904, 5278, 5551, 5824, 6032, 6344, 6496, 6832, 7076, 7808, 10556, 11102, 11648, 12064, 12383, 12688, 12992, 13664, 14152, 21112, 22204, 22997, 24128, 24766, 25376, 25984, 27328, 28304, 42224, 44408, 45994, 48256, 49532, 50752, 54656, 56608, 84448, 88816, 91988, 99064, 101504, 113216, 160979, 168896, 177632, 183976, 198128, 226432, 321958, 337792, 355264, 367952, 396256, 643916, 710528, 735904, 792512, 1287832, 1471808, 1585024, 2575664, 2943616, 5151328, 10302656, 20605312]

約数ペア:

[(1, 20605312), (2, 10302656), (4, 5151328), (7, 2943616), (8, 2575664), (13, 1585024), (14, 1471808), (16, 1287832), (26, 792512), (28, 735904), (29, 710528), (32, 643916), (52, 396256), (56, 367952), (58, 355264), (61, 337792), (64, 321958), (91, 226432), (104, 198128), (112, 183976), (116, 177632), (122, 168896), (128, 160979), (182, 113216), (203, 101504), (208, 99064), (224, 91988), (232, 88816), (244, 84448), (364, 56608), (377, 54656), (406, 50752), (416, 49532), (427, 48256), (448, 45994), (464, 44408), (488, 42224), (728, 28304), (754, 27328), (793, 25984), (812, 25376), (832, 24766), (854, 24128), (896, 22997), (928, 22204), (976, 21112), (1456, 14152), (1508, 13664), (1586, 12992), (1624, 12688), (1664, 12383), (1708, 12064), (1769, 11648), (1856, 11102), (1952, 10556), (2639, 7808), (2912, 7076), (3016, 6832), (3172, 6496), (3248, 6344), (3416, 6032), (3538, 5824), (3712, 5551), (3904, 5278)]