20193699320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{57637}}^1$

素因数の和:58128

約数の個数: 64

約数和(自身を含む): 47931760800

約数和(自身を除く): 27738061480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 461, 760, 922, 1844, 2305, 3688, 4610, 8759, 9220, 17518, 18440, 35036, 43795, 57637, 70072, 87590, 115274, 175180, 230548, 288185, 350360, 461096, 576370, 1095103, 1152740, 2190206, 2305480, 4380412, 5475515, 8760824, 10951030, 21902060, 26570657, 43804120, 53141314, 106282628, 132853285, 212565256, 265706570, 504842483, 531413140, 1009684966, 1062826280, 2019369932, 2524212415, 4038739864, 5048424830, 10096849660, 20193699320]

約数ペア:

[(1, 20193699320), (2, 10096849660), (4, 5048424830), (5, 4038739864), (8, 2524212415), (10, 2019369932), (19, 1062826280), (20, 1009684966), (38, 531413140), (40, 504842483), (76, 265706570), (95, 212565256), (152, 132853285), (190, 106282628), (380, 53141314), (461, 43804120), (760, 26570657), (922, 21902060), (1844, 10951030), (2305, 8760824), (3688, 5475515), (4610, 4380412), (8759, 2305480), (9220, 2190206), (17518, 1152740), (18440, 1095103), (35036, 576370), (43795, 461096), (57637, 350360), (70072, 288185), (87590, 230548), (115274, 175180)]