20008728

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{5449}}^1$

素因数の和:5481

約数の個数: 64

約数和(自身を含む): 58860000

約数和(自身を除く): 38851272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 102, 108, 136, 153, 204, 216, 306, 408, 459, 612, 918, 1224, 1836, 3672, 5449, 10898, 16347, 21796, 32694, 43592, 49041, 65388, 92633, 98082, 130776, 147123, 185266, 196164, 277899, 294246, 370532, 392328, 555798, 588492, 741064, 833697, 1111596, 1176984, 1667394, 2223192, 2501091, 3334788, 5002182, 6669576, 10004364, 20008728]

約数ペア:

[(1, 20008728), (2, 10004364), (3, 6669576), (4, 5002182), (6, 3334788), (8, 2501091), (9, 2223192), (12, 1667394), (17, 1176984), (18, 1111596), (24, 833697), (27, 741064), (34, 588492), (36, 555798), (51, 392328), (54, 370532), (68, 294246), (72, 277899), (102, 196164), (108, 185266), (136, 147123), (153, 130776), (204, 98082), (216, 92633), (306, 65388), (408, 49041), (459, 43592), (612, 32694), (918, 21796), (1224, 16347), (1836, 10898), (3672, 5449)]