20858796

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{541}}^1$

素因数の和:581

約数の個数: 120

約数和(自身を含む): 66106656

約数和(自身を除く): 45247860

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, 541, 567, 612, 714, 756, 918, 1071, 1082, 1134, 1377, 1428, 1623, 1836, 2142, 2164, 2268, 2754, 3213, 3246, 3787, 4284, 4869, 5508, 6426, 6492, 7574, 9197, 9639, 9738, 11361, 12852, 14607, 15148, 18394, 19278, 19476, 22722, 27591, 29214, 34083, 36788, 38556, 43821, 45444, 55182, 58428, 64379, 68166, 82773, 87642, 102249, 110364, 128758, 136332, 165546, 175284, 193137, 204498, 248319, 257516, 306747, 331092, 386274, 408996, 496638, 579411, 613494, 744957, 772548, 993276, 1158822, 1226988, 1489914, 1738233, 2317644, 2979828, 3476466, 5214699, 6952932, 10429398, 20858796]

約数ペア:

[(1, 20858796), (2, 10429398), (3, 6952932), (4, 5214699), (6, 3476466), (7, 2979828), (9, 2317644), (12, 1738233), (14, 1489914), (17, 1226988), (18, 1158822), (21, 993276), (27, 772548), (28, 744957), (34, 613494), (36, 579411), (42, 496638), (51, 408996), (54, 386274), (63, 331092), (68, 306747), (81, 257516), (84, 248319), (102, 204498), (108, 193137), (119, 175284), (126, 165546), (153, 136332), (162, 128758), (189, 110364), (204, 102249), (238, 87642), (252, 82773), (306, 68166), (324, 64379), (357, 58428), (378, 55182), (459, 45444), (476, 43821), (541, 38556), (567, 36788), (612, 34083), (714, 29214), (756, 27591), (918, 22722), (1071, 19476), (1082, 19278), (1134, 18394), (1377, 15148), (1428, 14607), (1623, 12852), (1836, 11361), (2142, 9738), (2164, 9639), (2268, 9197), (2754, 7574), (3213, 6492), (3246, 6426), (3787, 5508), (4284, 4869)]