20531784

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:132

約数の個数: 192

約数和(自身を含む): 68947200

約数和(自身を除く): 48415416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 17, 21, 24, 26, 28, 34, 39, 42, 49, 51, 52, 56, 68, 78, 79, 84, 91, 98, 102, 104, 119, 136, 147, 156, 158, 168, 182, 196, 204, 221, 237, 238, 273, 294, 312, 316, 357, 364, 392, 408, 442, 474, 476, 546, 553, 588, 632, 637, 663, 714, 728, 833, 884, 948, 952, 1027, 1092, 1106, 1176, 1274, 1326, 1343, 1428, 1547, 1659, 1666, 1768, 1896, 1911, 2054, 2184, 2212, 2499, 2548, 2652, 2686, 2856, 3081, 3094, 3318, 3332, 3822, 3871, 4029, 4108, 4424, 4641, 4998, 5096, 5304, 5372, 6162, 6188, 6636, 6664, 7189, 7644, 7742, 8058, 8216, 9282, 9401, 9996, 10744, 10829, 11613, 12324, 12376, 13272, 14378, 15288, 15484, 16116, 17459, 18564, 18802, 19992, 21567, 21658, 23226, 24648, 28203, 28756, 30968, 32232, 32487, 34918, 37128, 37604, 43134, 43316, 46452, 50323, 52377, 56406, 57512, 64974, 65807, 69836, 75208, 86268, 86632, 92904, 100646, 104754, 112812, 122213, 129948, 131614, 139672, 150969, 172536, 197421, 201292, 209508, 225624, 244426, 259896, 263228, 301938, 366639, 394842, 402584, 419016, 488852, 526456, 603876, 733278, 789684, 855491, 977704, 1207752, 1466556, 1579368, 1710982, 2566473, 2933112, 3421964, 5132946, 6843928, 10265892, 20531784]

約数ペア:

[(1, 20531784), (2, 10265892), (3, 6843928), (4, 5132946), (6, 3421964), (7, 2933112), (8, 2566473), (12, 1710982), (13, 1579368), (14, 1466556), (17, 1207752), (21, 977704), (24, 855491), (26, 789684), (28, 733278), (34, 603876), (39, 526456), (42, 488852), (49, 419016), (51, 402584), (52, 394842), (56, 366639), (68, 301938), (78, 263228), (79, 259896), (84, 244426), (91, 225624), (98, 209508), (102, 201292), (104, 197421), (119, 172536), (136, 150969), (147, 139672), (156, 131614), (158, 129948), (168, 122213), (182, 112812), (196, 104754), (204, 100646), (221, 92904), (237, 86632), (238, 86268), (273, 75208), (294, 69836), (312, 65807), (316, 64974), (357, 57512), (364, 56406), (392, 52377), (408, 50323), (442, 46452), (474, 43316), (476, 43134), (546, 37604), (553, 37128), (588, 34918), (632, 32487), (637, 32232), (663, 30968), (714, 28756), (728, 28203), (833, 24648), (884, 23226), (948, 21658), (952, 21567), (1027, 19992), (1092, 18802), (1106, 18564), (1176, 17459), (1274, 16116), (1326, 15484), (1343, 15288), (1428, 14378), (1547, 13272), (1659, 12376), (1666, 12324), (1768, 11613), (1896, 10829), (1911, 10744), (2054, 9996), (2184, 9401), (2212, 9282), (2499, 8216), (2548, 8058), (2652, 7742), (2686, 7644), (2856, 7189), (3081, 6664), (3094, 6636), (3318, 6188), (3332, 6162), (3822, 5372), (3871, 5304), (4029, 5096), (4108, 4998), (4424, 4641)]