20164788

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:563

約数の個数: 120

約数和(自身を含む): 63911232

約数和(自身を除く): 43746444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 81, 84, 102, 108, 119, 126, 153, 162, 189, 204, 238, 252, 306, 324, 357, 378, 459, 476, 523, 567, 612, 714, 756, 918, 1046, 1071, 1134, 1377, 1428, 1569, 1836, 2092, 2142, 2268, 2754, 3138, 3213, 3661, 4284, 4707, 5508, 6276, 6426, 7322, 8891, 9414, 9639, 10983, 12852, 14121, 14644, 17782, 18828, 19278, 21966, 26673, 28242, 32949, 35564, 38556, 42363, 43932, 53346, 56484, 62237, 65898, 80019, 84726, 98847, 106692, 124474, 131796, 160038, 169452, 186711, 197694, 240057, 248948, 296541, 320076, 373422, 395388, 480114, 560133, 593082, 720171, 746844, 960228, 1120266, 1186164, 1440342, 1680399, 2240532, 2880684, 3360798, 5041197, 6721596, 10082394, 20164788]

約数ペア:

[(1, 20164788), (2, 10082394), (3, 6721596), (4, 5041197), (6, 3360798), (7, 2880684), (9, 2240532), (12, 1680399), (14, 1440342), (17, 1186164), (18, 1120266), (21, 960228), (27, 746844), (28, 720171), (34, 593082), (36, 560133), (42, 480114), (51, 395388), (54, 373422), (63, 320076), (68, 296541), (81, 248948), (84, 240057), (102, 197694), (108, 186711), (119, 169452), (126, 160038), (153, 131796), (162, 124474), (189, 106692), (204, 98847), (238, 84726), (252, 80019), (306, 65898), (324, 62237), (357, 56484), (378, 53346), (459, 43932), (476, 42363), (523, 38556), (567, 35564), (612, 32949), (714, 28242), (756, 26673), (918, 21966), (1046, 19278), (1071, 18828), (1134, 17782), (1377, 14644), (1428, 14121), (1569, 12852), (1836, 10983), (2092, 9639), (2142, 9414), (2268, 8891), (2754, 7322), (3138, 6426), (3213, 6276), (3661, 5508), (4284, 4707)]