20132689450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{90059}}^1$

素因数の和:90351

約数の個数: 48

約数和(自身を含む): 39800756160

約数和(自身を除く): 19668066710

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 263, 425, 526, 850, 1315, 2630, 4471, 6575, 8942, 13150, 22355, 44710, 90059, 111775, 180118, 223550, 450295, 900590, 1531003, 2251475, 3062006, 4502950, 7655015, 15310030, 23685517, 38275075, 47371034, 76550150, 118427585, 236855170, 402653789, 592137925, 805307578, 1184275850, 2013268945, 4026537890, 10066344725, 20132689450]

約数ペア:

[(1, 20132689450), (2, 10066344725), (5, 4026537890), (10, 2013268945), (17, 1184275850), (25, 805307578), (34, 592137925), (50, 402653789), (85, 236855170), (170, 118427585), (263, 76550150), (425, 47371034), (526, 38275075), (850, 23685517), (1315, 15310030), (2630, 7655015), (4471, 4502950), (6575, 3062006), (8942, 2251475), (13150, 1531003), (22355, 900590), (44710, 450295), (90059, 223550), (111775, 180118)]